Patent US2021935A successfully refreshed from Google Patents.
US2021935A
Expired / Lapsed
US
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Motor vehicle
Assignee: Packard Motor Car Co
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Filing: 1933-08-18
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Granted: 1935-11-26
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Expires: 1953-08-18
Abstract
No abstract record available.
Inventors
- 👤 Walter R Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:25
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/091; F16H3/0915; F16H2714/00; F16H2714/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19377; Y10T74/19414; Y10T74/1947; Y10T74/19474; Y10T74/19479; Y10T74/1956; Y10T74/19565; Y10T74/1957; Y10T74/19623
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-11-25 | 1939-05-27 | 1939-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-25 | 1943-05-27 | 1943-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-25 | 1947-05-27 | 1947-11-26 | $7700.00 | Window Closed / Lapsed |