US2908523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical rod, top-and-bottom panic latch mechanism
Assignee: VONNEGUT HARDWARE CO
•
Filing: 1957-02-25
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Granted: 1959-10-13
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 John R Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:00
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/18; E05B63/20; E05B65/00; E05B65/10; E05B65/1006; E05B65/1013; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0822; Y10T292/54; Y10T292/546
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1140343A
Cited
US1130266A
Cited
US1518187A
Cited
US1469590A
Cited
US2752773A
Cited
US2836451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |