Patent US3214941A successfully refreshed from Google Patents.
US3214941A
Expired / Lapsed
US
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Impulse tool
Assignee: Thor Power Tool Co
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Filing: 1963-09-27
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Granted: 1965-11-02
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Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 Robert B Shulters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:02
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/145; B25B23/1453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN AN IMPULSE TOOL INCLUDING HOUSING MEANS COMPRISING A CYLINDER HAVING AN ECCENTRIC INTERNAL CAVITY CONTAINING A PRESSURE-TRANSMITTING FLUID AND A PAIR OF END CAP MEMBERS DISPOSED AT THE OPPOSITE AXIAL ENDS OF SAID CYLINDER, AND INTERNAL SPINDLE MEANS ROTATABLE RELATIVE TO SAID HOUSING MEANS, ONE OF SAID HOUSING AND SPINDLE MEANS BEING ADAPTED TO BE ROTATABLY DRIVEN, AND SAID HOUSING MEANS AND SAID SPINDLE MEANS HAVING COOPERATING SEAL PORTION FOR GENERATING INTERMITTENT PRESSURE INCREASES IN A SEALED-OFF PORTION OF SAID FLUID IN RESPONSE TO ROTATION OF SAID ONE MEANS WHEREBY TO EFFECT ROTATION OF THE OTHER OF SAID HOUSING AND SPINDLE MEANS; THE IMPROVEMENT WHICH COMPRISES MEANS DEFINING A RADIALLY
Claim 2
Dependent Claim
111 words
IN AN IMPULSE TOOL INCLUDING HOUSING MEANS COMPRISING A CYLINDER HAVING AN ECCENTRIC INTERNAL CAVITY CONTAINING A PRESSURE-TRANSMITTING FLUID AND A PAIR OF END CAP MEMBERS DISPOSED AT THE OPPOSITE AXIAL ENDS OF SAID CYLINDER, AND INTERNAL SPINDLE MEANS ROTATABLE RELATIVE TO SAID HOUSING MEANS, ONE OF SAID HOUSING AND SPINDLE MEANS BEING ADAPTED TO BE ROTATABLY DRIVEN, AND SAID HOUSING MEANS AND SAID SPINDLE MEANS HAVING COOPERATING SEAL PORTION FOR GENERATING INTERMITTENT PRESSURE INCREASES IN A SEALED-OFF PORTION OF SAID FLUID IN RESPONSE TO ROTATION OF SAID ONE MEANS WHEREBY TO EFFECT ROTATION OF THE OTHER OF SAID HOUSING AND SPINDLE MEANS; THE IMPROVEMENT WHICH COMPRISES MEANS DEFINING A RADIALLY
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |