US2253495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door lock
Assignee: PEABODY ACKER Inc
•
Filing: 1940-03-19
•
Granted: 1941-08-26
•
Expires: 1960-03-19
Abstract
No abstract record available.
Inventors
- 👤 Cordrey Hancil
- 👤 Walter J Duvall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:58
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0858; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/5177; Y10T70/5181; Y10T70/5199; Y10T70/5372; Y10T70/5376; Y10T70/80; Y10T70/8432
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-08-25 | 1945-02-24 | 1945-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-25 | 1949-02-24 | 1949-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-25 | 1953-02-24 | 1953-08-26 | $7700.00 | Window Closed / Lapsed |