US2788477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control for cam follower
Assignee: US Filter Wallace and Tiernan Inc
•
Filing: 1953-09-14
•
Granted: 1957-04-09
•
Expires: 1973-09-14
Abstract
No abstract record available.
Inventors
- 👤 John R Mackay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:41
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/06; G05B19/066; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US501902A
Cited
US2208420A
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US2336492A
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US2308963A
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US2333248A
Cited
US2369056A
Cited
US2373186A
Cited
US2607196A
Cited
US2724980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |