Patent US2397671A successfully refreshed from Google Patents.
US2397671A
Expired / Lapsed
US
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Automobile door lock
Assignee: Individual
•
Filing: 1946-01-18
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Granted: 1946-04-02
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Expires: 1966-01-18
Abstract
No abstract record available.
Inventors
- 👤 Carl O Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:36
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0929; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0974; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1055
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) | 1949-04-01 | 1949-10-01 | 1950-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-01 | 1953-10-01 | 1954-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-01 | 1957-10-01 | 1958-04-02 | $7700.00 | Window Closed / Lapsed |