US2944442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential gears
Assignee: Volkswagen AG
•
Filing: 1958-09-09
•
Granted: 1960-07-12
•
Expires: 1978-09-09
Abstract
No abstract record available.
Inventors
- 👤 Muegerl Thomas
- 👤 Hoyer Ekkehard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:19
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/84; F16D3/843; F16D3/848; B; B60; B60K; B60K17/00; B60K17/04; B60K17/16; B60K17/165; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0604; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16H; F16H48/00; F16H48/06; F16H48/08; F16C2208/00; F16C2208/20; F16C2208/60; F16C2208/76; F16C2208/78; F16H2048/082; Y; Y10; Y10S; Y10S464/00; Y10S464/902; Y10S464/903; Y10S475/00; Y10S475/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1797578A
Cited
US1833051A
Cited
US2459598A
Cited
US2615763A
Cited
US2847837A
Cited
GB787767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |