Patent US3117445A successfully refreshed from Google Patents.
US3117445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time recorder and comparator for drilling operations
Assignee: FIRST ASSET-BASED LENDING GROUP Inc C/O CONSOLIDATED ASSET MANAGEMENT COMPANY 120 NORTH ROBINSON OKLAHOMA CITY OK 73192
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Filing: 1961-08-24
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Granted: 1964-01-14
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Expires: 1981-08-24
Abstract
No abstract record available.
Inventors
- 👤 Brown H Travis
- 👤 Irvin M Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:31
CPC Classifications
E; E21; E21B; E21B45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A TIME RECORDER AND COMPARATOR FOR WELL DRILLING OPERATIONS COMPRISING A SINGLE RECORDING UNIT INCLUDING THREE SEPARATE COUNTERS, A FIRST ONE OF SAID COUNTERS HAVING A FIRST INPUT SHAFT FOR OPERATING SAID FIRST COUNTER SO AS TO INDICATE THE TOTAL ELAPSED TIME DURING WHICH ACTUAL DRILLING HAS TAKEN PLACE, A SECOND ONE OF SAID COUNTERS HAVING A SECOND INPUT SHAFT FOR OPERATING SAID SECOND COUNTER SO AS TO INDICATE THE TOTAL ELAPSED TIME DURING WHICH THE DRILLING OPERATIONS WERE INTERRUPTED, THE THIRD ONE OF SAID COUNTERS HAVING A THIRD INPUT SHAFT FOR OPERATING SAID THIRD COUNTER SO AS TO INDICATE THE TOTAL DEPTH OF DRILLING, A CONSTANT SPEED DEVICE MOUNTED WITHIN SAID UNIT AND HAVING AN OUTPUT SHAFT ROTATING AT A CONSTANT RATE OF SPEED, A FIRST CLUTCH PLATE FREELY ROTATABLY MOUNTED ON SAID OUTPUT SHAFT AND BEING RELATIVELY AXIALLY IMMOVABLE WITH RESPECT THERETO, A SECOND CLUTCH PLATE FREELY ROTATABLY MOUNTED ON SAID OUTPUT SHAFT IN SPACED RELATION WITH SAID FIRST CLUTCH PLATE, SAID SECOND CLUTCH PLATE BEING RELATIVELY AXIALLY IMMOVABLE WITH RESPECT TO SAID OUTPUT SHAFT, MEANS DRIVINGLY CONNECTING SAID FIRST COUNTER INPUT SHAFT WITH SAID FIRST CLUTCH PLATE WHEREBY ROTATION OF SAID FIRST CLUTCH PLATE WILL ADVANCE SAID FIRST COUNTER, MEANS
Claim 2
Dependent Claim
203 words
A TIME RECORDER AND COMPARATOR FOR WELL DRILLING OPERATIONS COMPRISING A SINGLE RECORDING UNIT INCLUDING THREE SEPARATE COUNTERS, A FIRST ONE OF SAID COUNTERS HAVING A FIRST INPUT SHAFT FOR OPERATING SAID FIRST COUNTER SO AS TO INDICATE THE TOTAL ELAPSED TIME DURING WHICH ACTUAL DRILLING HAS TAKEN PLACE, A SECOND ONE OF SAID COUNTERS HAVING A SECOND INPUT SHAFT FOR OPERATING SAID SECOND COUNTER SO AS TO INDICATE THE TOTAL ELAPSED TIME DURING WHICH THE DRILLING OPERATIONS WERE INTERRUPTED, THE THIRD ONE OF SAID COUNTERS HAVING A THIRD INPUT SHAFT FOR OPERATING SAID THIRD COUNTER SO AS TO INDICATE THE TOTAL DEPTH OF DRILLING, A CONSTANT SPEED DEVICE MOUNTED WITHIN SAID UNIT AND HAVING AN OUTPUT SHAFT ROTATING AT A CONSTANT RATE OF SPEED, A FIRST CLUTCH PLATE FREELY ROTATABLY MOUNTED ON SAID OUTPUT SHAFT AND BEING RELATIVELY AXIALLY IMMOVABLE WITH RESPECT THERETO, A SECOND CLUTCH PLATE FREELY ROTATABLY MOUNTED ON SAID OUTPUT SHAFT IN SPACED RELATION WITH SAID FIRST CLUTCH PLATE, SAID SECOND CLUTCH PLATE BEING RELATIVELY AXIALLY IMMOVABLE WITH RESPECT TO SAID OUTPUT SHAFT, MEANS DRIVINGLY CONNECTING SAID FIRST COUNTER INPUT SHAFT WITH SAID FIRST CLUTCH PLATE WHEREBY ROTATION OF SAID FIRST CLUTCH PLATE WILL ADVANCE SAID FIRST COUNTER, MEANS
References Cited (Backward Citations)
AT125831B
Cited
US2980486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |