US2737825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Choke convertor
Assignee: Individual
•
Filing: 1951-10-20
•
Granted: 1956-03-13
•
Expires: 1971-10-20
Abstract
No abstract record available.
Inventors
- 👤 Emil O Plockelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:18
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/02; G; G05; G05G; G05G7/00; G05G2700/00; G05G2700/20; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1399984A
Cited
US1260464A
Cited
US1912678A
Cited
US2065167A
Cited
US2056549A
Cited
US2096058A
Cited
US2117963A
Cited
US2370213A
Cited
GB635426A
Cited
US2577260A
Cited
US2612790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |