Patent US3261211A successfully refreshed from Google Patents.
US3261211A
Expired / Lapsed
US
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Servomechanism
Assignee: Ametek Inc
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Filing: 1964-03-26
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Granted: 1966-07-19
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Expires: 1984-03-26
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:09
CPC Classifications
G; G05; G05G; G05G19/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/21; Y10T74/2101; Y10T74/2102; Y10T74/2106; Y10T74/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A SERVO MECHANISM COMPRISING A DRUM, MOTOR MEANS TO ROTATE THE DRUM, OUTPUT MEANS SPACED FROM THE DRUM AND HAVING A PAIR OF SPACED PORTIONS MOVABLE IN OPPOSITE DIRECTIONS TO INVERSELY VARY THEIR DISTANCES FROM THE DRUM, A PAIR OF SPACED CABLES PASSING AROUND AT LEAST A PART OF THE DRUM WITH EACH CABLE ENGAGING ONE OF SAID PORTIONS OF THE OUTPUT MEANS, MEANS MOUNTED ON THE DRUM TO VARY INVERSELY THE PATH LENGTS OF THE CABLES AROUND THE DRUM TO VARY INVERSELY THE DISTANCES OF THE SPACED PORTIONS OF THE OUTPUT MEANS FROM THE DRUM TO PROVIDE A RESULTANT OUTPUT FROM THE OUTPUT MEANS.
Claim 2
Dependent Claim
105 words
A SERVO MECHANISM COMPRISING A DRUM, MOTOR MEANS TO ROTATE THE DRUM, OUTPUT MEANS SPACED FROM THE DRUM AND HAVING A PAIR OF SPACED PORTIONS MOVABLE IN OPPOSITE DIRECTIONS TO INVERSELY VARY THEIR DISTANCES FROM THE DRUM, A PAIR OF SPACED CABLES PASSING AROUND AT LEAST A PART OF THE DRUM WITH EACH CABLE ENGAGING ONE OF SAID PORTIONS OF THE OUTPUT MEANS, MEANS MOUNTED ON THE DRUM TO VARY INVERSELY THE PATH LENGTS OF THE CABLES AROUND THE DRUM TO VARY INVERSELY THE DISTANCES OF THE SPACED PORTIONS OF THE OUTPUT MEANS FROM THE DRUM TO PROVIDE A RESULTANT OUTPUT FROM THE OUTPUT MEANS.
References Cited (Backward Citations)
US2742793A
Cited
US2831358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |