US2613524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking mechanism for window latches
Assignee: Individual
•
Filing: 1949-04-23
•
Granted: 1952-10-14
•
Expires: 1969-04-23
Abstract
No abstract record available.
Inventors
- 👤 Neil O Holmsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:39
CPC Classifications
E; E05; E05B; E05B13/00; E05B13/002; Y; Y10; Y10S; Y10S70/00; Y10S70/32; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0951; Y10T292/0959; Y10T292/1039; Y10T292/1041; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5146; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5345; Y10T70/5354; Y10T70/5611; Y10T70/5646; Y10T70/565; Y10T70/5655; Y10T70/5659
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) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |