Patent US2694916A successfully refreshed from Google Patents.
US2694916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Emhart Industries Inc
•
Filing: 1951-05-19
•
Granted: 1954-11-23
•
Expires: 1971-05-19
Abstract
No abstract record available.
Inventors
- 👤 Frank J Mcconnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:06
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/542; Y10T70/5425; Y10T70/5442; Y10T70/5447
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US626341A
Cited
US1086837A
Cited
US1489675A
Cited
US1918719A
Cited
US2018093A
Cited
US1999311A
Cited
US2038907A
Cited
US2314488A
Cited
US2308321A
Cited
US2497750A
Cited
US2478436A
Cited
US2633732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |