Patent US2224671A successfully refreshed from Google Patents.
US2224671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile door lock
Assignee: Individual
•
Filing: 1939-06-19
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Granted: 1940-12-10
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Expires: 1959-06-19
Abstract
No abstract record available.
Inventors
- 👤 Charles L Crooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:06
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/06; E05B47/0603; E05B47/0001; E05B47/0002; E05B47/0003; E05B47/0004; E05B47/0005; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0825; Y10T292/0826; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5504; Y10T70/60; Y10T70/625; Y10T70/65
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) | 1943-12-10 | 1944-06-10 | 1944-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-10 | 1948-06-10 | 1948-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-10 | 1952-06-10 | 1952-12-10 | $7700.00 | Window Closed / Lapsed |