US2912268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-burglar window lock
Assignee: Individual
•
Filing: 1957-10-09
•
Granted: 1959-11-10
•
Expires: 1977-10-09
Abstract
No abstract record available.
Inventors
- 👤 William H Markovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:37
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0888; Y; Y10; Y10S; Y10S292/00; Y10S292/20; Y10T; Y10T292/00; Y10T292/28; Y10T292/302
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US429167A
Cited
US1203974A
Cited
US1338339A
Cited
US1601524A
Cited
US1851701A
Cited
US2714033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |