US2598245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking mechanism
Assignee: Vinters Armstrongs Ltd
•
Filing: 1948-06-30
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Granted: 1952-05-27
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Expires: 1968-06-30
Abstract
No abstract record available.
Inventors
- 👤 Firman Reginald Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:23
CPC Classifications
F; F16; F16B; F16B1/00; B; B64; B64D; B64D1/00; B64D1/02; B64D1/04; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
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) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |