US2492536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1945-01-17
•
Granted: 1949-12-27
•
Expires: 1965-01-17
Abstract
No abstract record available.
Inventors
- 👤 Rosan Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:47
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/38; F16B37/00; F16B37/12; F16B37/122; F16B39/02; F16B39/10; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2002741A
Cited
US2196637A
Cited
US2371927A
Cited
US2203219A
Cited
US2400318A
Cited
US2395063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |