US2506879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window latch
Assignee: Individual
•
Filing: 1947-06-14
•
Granted: 1950-05-09
•
Expires: 1967-06-14
Abstract
No abstract record available.
Inventors
- 👤 Harry K Lieb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:16
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; E05C3/046; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041
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) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |