US2633034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission apparatus
Assignee: Individual
•
Filing: 1949-07-05
•
Granted: 1953-03-31
•
Expires: 1969-07-05
Abstract
No abstract record available.
Inventors
- 👤 Mathers John Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/02; B63H23/08; B63H21/00; B63H21/21; B63H21/213; B63H23/30; B63H23/32; B63H23/34; B63H23/35; F; F02; F02D; F02D1/00; F16; F16H; F16H3/00; F16H3/44; F16H3/46; F16H3/60; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0297; Y; Y10; Y10T; Y10T74/00; Y10T74/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1979488A
Cited
US2413675A
Cited
US2380677A
Cited
US2396231A
Cited
US2413390A
Cited
US2488756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |