US1808083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nternal combustion engine
Assignee: Packard Motor Car Co
•
Filing: 1929-05-31
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Granted: 1931-06-02
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Expires: 1949-05-31
Abstract
No abstract record available.
Inventors
- 👤 Tibbetts Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:33
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/04; F01B3/045; F02; F02B; F02B75/00; F02B75/02; F02B75/021; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304
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) | 1934-06-01 | 1934-12-01 | 1935-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-06-01 | 1938-12-01 | 1939-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-06-01 | 1942-12-01 | 1943-06-02 | $7700.00 | Window Closed / Lapsed |