Patent US2530715A successfully refreshed from Google Patents.
US2530715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical movement
Assignee: Individual
•
Filing: 1947-09-29
•
Granted: 1950-11-21
•
Expires: 1967-09-29
Abstract
No abstract record available.
Inventors
- 👤 Charles J Mensman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:08
CPC Classifications
F; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/18208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US889859A
Cited
US1107529A
Cited
US1506626A
Cited
US1745793A
Cited
US1797493A
Cited
US1784192A
Cited
US2005000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |