Patent US2239301A successfully refreshed from Google Patents.
US2239301A
Expired / Lapsed
US
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Door lock particularly for automobiles
Assignee: Individual
•
Filing: 1935-06-27
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Granted: 1941-04-22
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Expires: 1955-06-27
Abstract
No abstract record available.
Inventors
- 👤 Papst Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:39
CPC Classifications
E; E05; E05B; E05B5/00; E05B5/003; Y; Y10; Y10S; Y10S292/00; Y10S292/31; Y10S292/37; Y10T; Y10T292/00; Y10T292/03; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0978; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5761
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) | 1944-04-21 | 1944-10-21 | 1945-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-21 | 1948-10-21 | 1949-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-21 | 1952-10-21 | 1953-04-22 | $7700.00 | Window Closed / Lapsed |