US2845789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding window and door lock
Assignee: Individual
•
Filing: 1956-09-10
•
Granted: 1958-08-05
•
Expires: 1976-09-10
Abstract
No abstract record available.
Inventors
- 👤 Herman H Kistner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:52
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0864; E05B35/00; E05B15/00; E05B15/10; E05B15/101; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0863; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5146; Y10T70/515; Y10T70/5155; Y10T70/5173; Y10T70/5195
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |