Drive unit for a motor vehicle with curved teeth coupling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 23, 2005
Grant Date -
Jun 10, 2004
app pub date -
Mar 27, 2002
filing date -
Apr 9, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Angular and axial offsets between the motor vehicle rotor (3) and transmission pinion (6) are intended to be compensated by a coupling which can be mounted in an easy manner. According to the invention, a curved teeth coupling (9) is mounted between the motor shaft (4) and the pinion shaft (6) and includes a first coupling section (10) with internal tooth system and a second coupling section (11) with external tooth system, whereby the first coupling section (10) is securely connected to the pinion shaft (6) and the second coupling section (11) is securely connected to the motor shaft (4). The coupling sections (10, 11) can easily be pushed into each other, when the motor (2) is mounted onto the transmission (1).
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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SIEMENS AKTIENGESELLSCHAFT | WITTELSBACHERPLATZ 2 MUENCHEN 80333 |
International Classification(s)

- 2002 Application Filing Year
- B61C Class
- 23 Applications Filed
- 9 Patents Issued To-Date
- 39.14 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Hohl, Gernot | Mistelgau, DE | 1 | 3 |
# of filed Patents : 1 Total Citations : 3 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Sep 18, 2017 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.) |
Sep 18, 2017 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Aug 23, 2017 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Aug 23, 2017 |
Mar 31, 2017 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Jan 11, 2013 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Jan 15, 2009 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Aug 23, 2005 | I | Issuance | |
Jun 10, 2004 | P | Published | |
Sep 17, 2003 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HOHL, GERNOT;REEL/FRAME:015006/0963 Owner name: SIEMENS AKTIENGESELLSCHAFT, GERMANY Effective Date: Sep 17, 2003 |
Mar 27, 2002 | F | Filing | |
Apr 09, 2001 | PD | Priority Date |

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