US2499077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension catch
Assignee: Individual
•
Filing: 1947-12-12
•
Granted: 1950-02-28
•
Expires: 1967-12-12
Abstract
No abstract record available.
Inventors
- 👤 Hudson B Roysher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:00
CPC Classifications
B; B62; B62J; B62J21/00; F; F16; F16B; F16B45/00; F16B45/02; F16B45/024; F16B45/026; F16B45/035; F16G; F16G11/00; F16G11/12; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3484; Y10T24/3485; Y10T24/3487
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US892439A
Cited
US1039945A
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US1206225A
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US1364427A
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US1549262A
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US1449346A
Cited
US1463071A
Cited
US1598744A
Cited
US1528712A
Cited
US1787202A
Cited
US2130693A
Cited
US2083331A
Cited
US2358739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |