US1379997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-catch for car-doors
Assignee: Individual
•
Filing: 1920-06-26
•
Granted: 1921-05-31
•
Expires: 1940-06-26
Abstract
No abstract record available.
Inventors
- 👤 Alexander H Macminn
- 👤 Wilford H Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:52
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/087; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10S70/00; Y10S70/67; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0994; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/519; Y10T70/5195; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5367; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7881; Y10T70/7898
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) | 1924-05-30 | 1924-11-29 | 1925-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-05-30 | 1928-11-29 | 1929-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-05-30 | 1932-11-29 | 1933-05-31 | $7700.00 | Window Closed / Lapsed |