Patent US3171634A successfully refreshed from Google Patents.
US3171634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Restraint means for vibrator rotors
Assignee: Individual
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Filing: 1962-03-19
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Granted: 1965-03-02
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Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 George L Malan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:30
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/18; B06B1/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A VIBRATOR OF THE CLASS WHICH INCLUDES A CASE HAVING AN INTERNAL UNBROKEN CYLINDRICAL RACE FORMING PART OF THE BOUNDARY OF A CAVITY, SAID RACE HAVING A CENTRAL AXIS AND A ROTOR UNCONNECTED WITH SAID CASE BUT LYING WITHIN THE CAVITY AND HAVING AN EXTERNAL CYLINDRICAL BEARING SURFACE OF LESSER LATERAL DIMENSIONS THAN THE RACE, THE ROTOR HAVING A CENTRAL AXIS CONTINUOUSLY PARALLEL TO THE CENTRAL AXIS OF THE RACE, THE ROTOR BEING ADAPTED TO ROLL AROUND IN THE RACE BY VIRTUE OF FLUID POWER EXERTED THEREON, THE IMPROVEMENT COMPRISING MEANS FOR EXCLUDING THE ROTOR FROM OCCUPYING A CENTRAL POSITION IN THE RACE AT LEAST AT THE MOVEMENT OF STARTING THE DEVICE.
Claim 2
Dependent Claim
113 words
IN A VIBRATOR OF THE CLASS WHICH INCLUDES A CASE HAVING AN INTERNAL UNBROKEN CYLINDRICAL RACE FORMING PART OF THE BOUNDARY OF A CAVITY, SAID RACE HAVING A CENTRAL AXIS AND A ROTOR UNCONNECTED WITH SAID CASE BUT LYING WITHIN THE CAVITY AND HAVING AN EXTERNAL CYLINDRICAL BEARING SURFACE OF LESSER LATERAL DIMENSIONS THAN THE RACE, THE ROTOR HAVING A CENTRAL AXIS CONTINUOUSLY PARALLEL TO THE CENTRAL AXIS OF THE RACE, THE ROTOR BEING ADAPTED TO ROLL AROUND IN THE RACE BY VIRTUE OF FLUID POWER EXERTED THEREON, THE IMPROVEMENT COMPRISING MEANS FOR EXCLUDING THE ROTOR FROM OCCUPYING A CENTRAL POSITION IN THE RACE AT LEAST AT THE MOVEMENT OF STARTING THE DEVICE.
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |