US2289124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: Bendix Aviation Corp
•
Filing: 1939-04-11
•
Granted: 1942-07-07
•
Expires: 1959-04-11
Abstract
No abstract record available.
Inventors
- 👤 Karey Romuald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:24
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/24; B63H20/245; B63H21/00; B63H21/30; B63H21/305; B63H23/00; B63H23/30; F; F02; F02B; F02B25/00; F02B75/00; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1816; F02B2275/00; F02B2275/38; F02B2720/00; F02B2720/13; F02B2720/133
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1945-07-06 | 1946-01-05 | 1946-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-06 | 1950-01-05 | 1950-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-06 | 1954-01-05 | 1954-07-07 | $7700.00 | Window Closed / Lapsed |