US2646813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed control for rotary motors
Assignee: Niles Bement Pond Co
•
Filing: 1949-02-17
•
Granted: 1953-07-28
•
Expires: 1969-02-17
Abstract
No abstract record available.
Inventors
- 👤 Paul M Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:45
CPC Classifications
G; G05; G05D; G05D13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1171; Y10T137/2278
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1629318A
Cited
US1652208A
Cited
US1699798A
Cited
DE500864C
Cited
US2081466A
Cited
US2315019A
Cited
US2406087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |