US2741502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door knob latch set
Assignee: HOLLYMADE HARDWARE Manufacturing Co
•
Filing: 1953-11-19
•
Granted: 1956-04-10
•
Expires: 1973-11-19
Abstract
No abstract record available.
Inventors
- 👤 Roy L Crandell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:33
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; Y10T292/0989; Y10T292/0991; Y10T292/57; Y10T292/85; Y10T292/88; Y10T292/91
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US5286A
Cited
US1685316A
Cited
US1826093A
Cited
US1985223A
Cited
US2662388A
Cited
US2683053A
Cited
US2646301A
Cited
US2701160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |