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Work Vehicle

Abstract: This work vehicle comprises a hydrostatic stepless transmission device (20) that steplessly changes the speed of the driving force of an engine (4), a plurality of planetary gear transmission devices (Q1, Q2) that change the speed of the driving force of which the speed was changed by the stepless transmission device (20) and that are positioned parallel to each other, a plurality of clutch mechanisms (C1, C2) that individually extract the driving force from the plurality of planetary gear transmission devices (Q1, Q2), and a travel transmission device (50) that changes the speed of the driving force transmitted from the plurality of clutch mechanisms (C1, C2) and transmits the driving force to a travel mechanism, the plurality of planetary gear transmission devices (Q1, Q2), the plurality of clutch mechanisms (C1, C2), and the travel transmission device (50) being accommodated in a transmission case.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
23 March 2021
Publication Number
24/2021
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
patent@depenning.com
Parent Application
Patent Number
Legal Status
Grant Date
2023-08-10
Renewal Date

Applicants

KUBOTA CORPORATION
2-47, Shikitsuhigashi 1-chome, Naniwa-ku, Osaka-shi, Osaka 5568601

Inventors

1. HIRASE Yuji
c/o KUBOTA CORPORATION, Sakai Seizosho, 64, Ishizukitamachi, Sakai-ku, Sakai-shi, Osaka 5900823
2. IWASE Ryoma
c/o KUBOTA CORPORATION, Sakai Seizosho, 64, Ishizukitamachi, Sakai-ku, Sakai-shi, Osaka 5900823
3. GONO Tsuyoshi
c/o KUBOTA CORPORATION, Sakai Seizosho, 64, Ishizukitamachi, Sakai-ku, Sakai-shi, Osaka 5900823
4. NISHIKUBO Takuya
c/o KUBOTA CORPORATION, Sakai Seizosho, 64, Ishizukitamachi, Sakai-ku, Sakai-shi, Osaka 5900823
5. TAKEOKA Susumu
c/o KUBOTA CORPORATION, Sakai Seizosho, 64, Ishizukitamachi, Sakai-ku, Sakai-shi, Osaka 5900823
6. KAWAZOE Tsubasa
c/o KUBOTA CORPORATION, Sakai Seizosho, 64, Ishizukitamachi, Sakai-ku, Sakai-shi, Osaka 5900823
7. JINNAI Atsushi
c/o KUBOTA CORPORATION, Sakai Seizosho, 64, Ishizukitamachi, Sakai-ku, Sakai-shi, Osaka 5900823

Specification

Documents

Application Documents

# Name Date
1 202147012421-STATEMENT OF UNDERTAKING (FORM 3) [23-03-2021(online)].pdf 2021-03-23
2 202147012421-REQUEST FOR EXAMINATION (FORM-18) [23-03-2021(online)].pdf 2021-03-23
3 202147012421-PROOF OF RIGHT [23-03-2021(online)].pdf 2021-03-23
4 202147012421-PRIORITY DOCUMENTS [23-03-2021(online)].pdf 2021-03-23
5 202147012421-FORM 18 [23-03-2021(online)].pdf 2021-03-23
6 202147012421-FORM 1 [23-03-2021(online)].pdf 2021-03-23
7 202147012421-DRAWINGS [23-03-2021(online)].pdf 2021-03-23
8 202147012421-DECLARATION OF INVENTORSHIP (FORM 5) [23-03-2021(online)].pdf 2021-03-23
9 202147012421-COMPLETE SPECIFICATION [23-03-2021(online)].pdf 2021-03-23
10 202147012421-FORM-26 [12-04-2021(online)].pdf 2021-04-12
11 202147012421-FORM 3 [17-09-2021(online)].pdf 2021-09-17
12 202147012421.pdf 2021-10-18
13 202147012421-FER.pdf 2021-10-18
14 202147012421-OTHERS [29-11-2021(online)].pdf 2021-11-29
15 202147012421-Information under section 8(2) [29-11-2021(online)].pdf 2021-11-29
16 202147012421-FORM 3 [29-11-2021(online)].pdf 2021-11-29
17 202147012421-FER_SER_REPLY [29-11-2021(online)].pdf 2021-11-29
18 202147012421-DRAWING [29-11-2021(online)].pdf 2021-11-29
19 202147012421-COMPLETE SPECIFICATION [29-11-2021(online)].pdf 2021-11-29
20 202147012421-CLAIMS [29-11-2021(online)].pdf 2021-11-29
21 202147012421-ABSTRACT [29-11-2021(online)].pdf 2021-11-29
22 202147012421-Information under section 8(2) [21-03-2022(online)].pdf 2022-03-21
23 202147012421-Information under section 8(2) [29-09-2022(online)].pdf 2022-09-29
24 202147012421-Information under section 8(2) [22-12-2022(online)].pdf 2022-12-22
25 202147012421-Information under section 8(2) [23-01-2023(online)].pdf 2023-01-23
26 202147012421-PatentCertificate10-08-2023.pdf 2023-08-10
27 202147012421-IntimationOfGrant10-08-2023.pdf 2023-08-10

Search Strategy

1 Search_202147012421E_10-08-2021.pdf

ERegister / Renewals

3rd: 02 Nov 2023

From 06/12/2021 - To 06/12/2022

4th: 02 Nov 2023

From 06/12/2022 - To 06/12/2023

5th: 02 Nov 2023

From 06/12/2023 - To 06/12/2024

6th: 08 Nov 2024

From 06/12/2024 - To 06/12/2025

7th: 31 Oct 2025

From 06/12/2025 - To 06/12/2026