US2807489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door lock
Assignee: SAFE PADLOCK AND HARDWARE Co
•
Filing: 1953-10-21
•
Granted: 1957-09-24
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Expires: 1973-10-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:32
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0814; Y10T292/0817; Y10T292/0876; Y10T292/088; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/519
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US84352A
Cited
US490440A
Cited
US692119A
Cited
US861526A
Cited
GB190710946A
Cited
US947584A
Cited
US1866326A
Cited
US2370336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |