Patent US1918339A successfully refreshed from Google Patents.
Patent US3289407A successfully refreshed from Google Patents.
US3289407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque device
Assignee: Ingersoll Rand Co
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Filing: 1964-06-09
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Granted: 1966-12-06
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Expires: 1984-06-09
Abstract
No abstract record available.
Inventors
- 👤 Christopher K Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:52
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/145; B25B23/1453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
APPARATUS CONNECTED TO A TOOL AND FOR DRIVING SAID TOOL BY FLUID IMPULSES, SAID APPARATUS COMPRISING: (A) A STATIONARY CASING MEANS, (B) HOUSING MEANS WITHIN SAID CASING MEANS, (C) SPINDLE MEANS MOUNTED IN SAID HOUSING MEANS, (D) ONE OF SAID SPINDLE MEANS AND HOUSING MEANS BEING SECURED TO SAID CASING MEANS, (E) SAID SPINDLE MEANS BEING PROVIDED WITH PASSAGE MEANS IN COMMUNICATION WITH SAID HOUSING MEANS, EXTENDING THROUGH SAID SPINDLE MEANS AND CONNECTED TO SAID TOOL, (F) AND DRIVE MEANS CONNECTED TO THE OTHER OF SAID HOUSING MEANS AND SAID SPINDLE MEANS FOR CAUSING ROTATION OF SAID OTHER WITH RESPECT TO SAID CASING MEANS, (G) SAID ONE BEING PROVIDED WITH: (1) COMPRESSION CHAMBER MEANS FOR CONTAINING AND COMPRESSNG A FLUID AND (2) OVERFLOW CHAMBER MEANS FOR RECEIVING FLUID FROM SAID COMPRESSION CHAMBER MEANS, (H) VALVE MEANS DISPOSED IN SAID ONE BETWEEN SAID COMPRESSION CHAMBER MEANS AND SAID OVERFLOW CHAMBER MEANS, (I) FLUID COMPRESSION MEANS FORMING AN END CLOSURE FOR SAID COMPRESSION CHAMBER MEANS,
Claim 2
Dependent Claim
163 words
APPARATUS CONNECTED TO A TOOL AND FOR DRIVING SAID TOOL BY FLUID IMPULSES, SAID APPARATUS COMPRISING: (A) A STATIONARY CASING MEANS, (B) HOUSING MEANS WITHIN SAID CASING MEANS, (C) SPINDLE MEANS MOUNTED IN SAID HOUSING MEANS, (D) ONE OF SAID SPINDLE MEANS AND HOUSING MEANS BEING SECURED TO SAID CASING MEANS, (E) SAID SPINDLE MEANS BEING PROVIDED WITH PASSAGE MEANS IN COMMUNICATION WITH SAID HOUSING MEANS, EXTENDING THROUGH SAID SPINDLE MEANS AND CONNECTED TO SAID TOOL, (F) AND DRIVE MEANS CONNECTED TO THE OTHER OF SAID HOUSING MEANS AND SAID SPINDLE MEANS FOR CAUSING ROTATION OF SAID OTHER WITH RESPECT TO SAID CASING MEANS, (G) SAID ONE BEING PROVIDED WITH: (1) COMPRESSION CHAMBER MEANS FOR CONTAINING AND COMPRESSNG A FLUID AND (2) OVERFLOW CHAMBER MEANS FOR RECEIVING FLUID FROM SAID COMPRESSION CHAMBER MEANS, (H) VALVE MEANS DISPOSED IN SAID ONE BETWEEN SAID COMPRESSION CHAMBER MEANS AND SAID OVERFLOW CHAMBER MEANS, (I) FLUID COMPRESSION MEANS FORMING AN END CLOSURE FOR SAID COMPRESSION CHAMBER MEANS,
References Cited (Backward Citations)
US3214941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |