US2787154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door bolt and lock
Assignee: Individual
•
Filing: 1953-11-30
•
Granted: 1957-04-02
•
Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Leon M Wesberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:00
CPC Classifications
E; E05; E05C; E05C9/00; E05C9/04; E05C9/041; E05C9/048; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/0843; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/527; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7949
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US237320A
Cited
US485373A
Cited
DE66938C
Cited
CH34927A
Cited
US1536773A
Cited
US1985176A
Cited
US2339980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |