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US2718676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism for multi-sash windows
Assignee: UNIVERSAL WINDOW CO
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Filing: 1952-10-18
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Granted: 1955-09-27
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Expires: 1972-10-18
Abstract
No abstract record available.
Inventors
- 👤 Jr John J Donovan
- 👤 Frank C Williamson
- 👤 Carl D Woody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:16
CPC Classifications
E; E05; E05F; E05F17/00; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148
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) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |