US2784993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way door lock mechanism
Assignee: Adams Rite Manufacturing Co
•
Filing: 1953-10-26
•
Granted: 1957-03-12
•
Expires: 1973-10-26
Abstract
No abstract record available.
Inventors
- 👤 Frank R Collar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:31
CPC Classifications
E; E05; E05B; E05B57/00; Y; Y10; Y10S; Y10S292/00; Y10S292/31; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1055; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5465; Y10T70/5469; Y10T70/5473; Y10T70/5491; Y10T70/55; Y10T70/80; Y10T70/8027; Y10T70/8432; Y10T70/8459
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US739556A
Cited
US1071862A
Cited
US1085292A
Cited
US1563489A
Cited
US1882248A
Cited
US2006129A
Cited
US2006263A
Cited
US2201444A
Cited
US2240524A
Cited
US2334580A
Cited
US2387187A
Cited
US2485042A
Cited
US2534693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |