US3238631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for clinometric land measurements
Assignee: Continental Elektronidustrie AG
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Filing: 1964-07-14
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Granted: 1966-03-08
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Expires: 1984-07-14
Abstract
No abstract record available.
Inventors
- 👤 Graf Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:10
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/02; G01C9/06; G01C9/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
CLINOMETER APPARATUS FOR MEASUREMENTS IN BOREHOLES AND SIMILAR LOCATIONS COMPRISING: (A) A HOUSING ADAPTED TO BE POSITIONED APPROXIMATELY VERTICALLY, (B) A FIRST PENDULUM SUSPENDED WITHIN THE HOUSING, (C) A SECOND PENDULUM SUSPENDED WITHIN THE HOUSING FOR MOTION CORRESPONDING TO THAT OF THE FIRST PENDULUM BUT OF LESSER SENSITIVITY, (D) A FIRST POSITION-TRANSDUCER HAVING PORTIONS ON THE FIRST PENDULUM AND THE HOUSING TO PRODUCE HIGHLY ACCURATE REMOTE INDICATIONS OF RELATIVE HORIZONTAL POSITION OVER A LIMITED RANGE OF RELATIVE POSITIONS, (E) A SECOND POSITION-TRANSDUCER HAVING PORTIONS ON THE SECOND PENDULUM AND THE HOUSING TO PRODUCE COMPARATIVELY ROUGH REMOTE INDICATIONS OF INCLINATION OF THE HOUSING; (F) AND MEANS FOR MOVING ONE OF SAID PORTIONS OF THE FIRST TRANSDUCER HORIZONTALLY IN ACCORDANCE WITH THE OUTPUT OF THE SECOND TRANSDUCER TO BRING SAID FIRST TRANSDUCER PORTIONS INTO SAID LIMITED RANGE.
References Cited (Backward Citations)
US909060A
Cited
US2674049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |