US2747431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Individual
•
Filing: 1950-10-13
•
Granted: 1956-05-29
•
Expires: 1970-10-13
Abstract
No abstract record available.
Inventors
- 👤 Clifton R Roche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:33
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; Y; Y10; Y10S; Y10S74/00; Y10S74/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US436072A
Cited
US888594A
Cited
US1055017A
Cited
US1246236A
Cited
US1857365A
Cited
US1986045A
Cited
US2045611A
Cited
US2009477A
Cited
US2029118A
Cited
US2011101A
Cited
US2242515A
Cited
US2077580A
Cited
US2127354A
Cited
US2171162A
Cited
US2201169A
Cited
US2413675A
Cited
US2256320A
Cited
US2316390A
Cited
US2343955A
Cited
US2377696A
Cited
US2373122A
Cited
US2324713A
Cited
US2408336A
Cited
US2495988A
Cited
US2408008A
Cited
US2422933A
Cited
US2564466A
Cited
US2541391A
Cited
US2582487A
Cited
US2566518A
Cited
US2584965A
Cited
US2518825A
Cited
US2471669A
Cited
US2588161A
Cited
US2632544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |