US2806191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor driving arrangement
Assignee: Pollopas Patents Ltd
•
Filing: 1953-05-04
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Granted: 1957-09-10
•
Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Montrose-Oster Louis Eu Widolt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:40
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/68; H02P5/69; H02P5/695; B; B66; B66C; B66C13/00; B66C13/18; B66C2700/00; B66C2700/08; B66C2700/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |