Patent EP0192957A2 successfully refreshed from Google Patents.
US2759352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Emhart Industries Inc
•
Filing: 1952-07-19
•
Granted: 1956-08-21
•
Expires: 1972-07-19
Abstract
No abstract record available.
Inventors
- 👤 Leland H Fisler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:34
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0986; Y10T292/0989; Y10T292/099; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/542; Y10T70/5451; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/577
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1796727A
Cited
US1691528A
Cited
US1991031A
Cited
US2038907A
Cited
US2293856A
Cited
US2611635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |