US3339422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor driven vibrator and adjusting device therefor
Assignee: Individual
•
Filing: 1965-03-18
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Granted: 1967-09-05
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Expires: 1985-03-18
Abstract
No abstract record available.
Inventors
- 👤 Petrin Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:10
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/10; B06B1/16; B06B1/161; B06B1/162; B06B1/163; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544; Y10T74/18552
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN ELECTRIC VIBRATOR INCLUDING A HOUSING, A ROTOR IN SAID HOUSING, A ROTOR SHAFT EXTENDING CONCENTRICALLY AXIALLY THROUGH SAID ROTOR, A FIXED WEIGHT CONCENTRICALLY MOUNTED ON SAID SHAFT AT EACH END OF SAID ROTOR, SAID FIXED WEIGHTS BEING ALIGNED, ROTATABLY MOVABLE ECCENTRIC WEIGHTS MOUNTED ON SAID SHAFT ADJACENT SAID FIXED WEIGHTS, MEANS FOR VARYING THE ECCENTRICITY OF SAID MOVABLE WEIGHTS RELATIVE TO SAID FIXED WEIGHTS, AND MEANS FOR SECURING SAID MOVABLE WEIGHTS IN A SELECTED POSITION OF ADJUSTMENT, SAID LAST MENTIONED MEANS BEING ACCESSIBLE FROM THE EXTERIOR OF SAID CASING.
Claim 2
Dependent Claim
90 words
AN ELECTRIC VIBRATOR INCLUDING A HOUSING, A ROTOR IN SAID HOUSING, A ROTOR SHAFT EXTENDING CONCENTRICALLY AXIALLY THROUGH SAID ROTOR, A FIXED WEIGHT CONCENTRICALLY MOUNTED ON SAID SHAFT AT EACH END OF SAID ROTOR, SAID FIXED WEIGHTS BEING ALIGNED, ROTATABLY MOVABLE ECCENTRIC WEIGHTS MOUNTED ON SAID SHAFT ADJACENT SAID FIXED WEIGHTS, MEANS FOR VARYING THE ECCENTRICITY OF SAID MOVABLE WEIGHTS RELATIVE TO SAID FIXED WEIGHTS, AND MEANS FOR SECURING SAID MOVABLE WEIGHTS IN A SELECTED POSITION OF ADJUSTMENT, SAID LAST MENTIONED MEANS BEING ACCESSIBLE FROM THE EXTERIOR OF SAID CASING.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |