US3295367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensitive torque meter
Assignee: Texaco Inc
•
Filing: 1963-12-27
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Granted: 1967-01-03
•
Expires: 1983-12-27
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Rundell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:46
CPC Classifications
E; E21; E21B; E21B44/00; E21B44/02; E21B44/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN ROTARY TYPE DEEP WELL DRILLING, IN COMBINATION, A POWER PLANT FOR PRODUCING HIGH TORQUE ROTARY SHAFT POWER, A ROTARY TABLE DRIVEN BY SAID POWER PLANT, A REMOVABLE CONNECTING LINK HAVING A SHAFT AND BEING ADAPTED FOR LOCATION BETWEEN SAID ROTARY TABLE AND SAID POWER PLANT, SAID CONNECTING LINK COMPRISING A HIGH TORQUE TORQUE METER INCLUDING A PAIR OF AXIALLY SPACED APART A.C. GENERATORS BOTH HAVING THE ROTORS THEREOF INTEGRALLY MOUNTED ON SAID CONNECTING LINKS SHAFT, SAID GENERATORS EACH HAVING
Claim 2
Dependent Claim
80 words
IN ROTARY TYPE DEEP WELL DRILLING, IN COMBINATION, A POWER PLANT FOR PRODUCING HIGH TORQUE ROTARY SHAFT POWER, A ROTARY TABLE DRIVEN BY SAID POWER PLANT, A REMOVABLE CONNECTING LINK HAVING A SHAFT AND BEING ADAPTED FOR LOCATION BETWEEN SAID ROTARY TABLE AND SAID POWER PLANT, SAID CONNECTING LINK COMPRISING A HIGH TORQUE TORQUE METER INCLUDING A PAIR OF AXIALLY SPACED APART A.C. GENERATORS BOTH HAVING THE ROTORS THEREOF INTEGRALLY MOUNTED ON SAID CONNECTING LINKS SHAFT, SAID GENERATORS EACH HAVING
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |