US2729094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing seismometers
Assignee: Phillips Petroleum Co
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Filing: 1950-09-15
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Granted: 1956-01-03
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Expires: 1970-09-15
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Piety
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:24
CPC Classifications
G; G01; G01V; G01V13/00; G01V11/00; G01V11/002; G01V11/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN AN APPARATUS FOR TESTING A SEISMOMETER THE COMBINATION OF A PLANTING DEVICE SECURED TO SAID SEISMOMETER, SAID PLANTING DEVICE INCORPORATING A TUBE FOR HOLDING A PLURALITY OF IMPACT-PRODUCING BALLS, AN ELECTRICALLY ACTUATED RELEASE MECHANISM TO PERMIT SAID BALLS TO LEAVE SAID TUBE SUCCESSIVELY TO STRIKE AND PRODUCE IMPACTS UPON SAID SEISMOMETER, MEANS FOR COLLECTING THE BALLS LEAVING SAID TUBE, AND MEANS RESPONSIVE TO TILTING OF SAID DEVICE TO RETURN THE BALLS TO SAID TUBE.
Claim 2
Dependent Claim
75 words
IN AN APPARATUS FOR TESTING A SEISMOMETER THE COMBINATION OF A PLANTING DEVICE SECURED TO SAID SEISMOMETER, SAID PLANTING DEVICE INCORPORATING A TUBE FOR HOLDING A PLURALITY OF IMPACT-PRODUCING BALLS, AN ELECTRICALLY ACTUATED RELEASE MECHANISM TO PERMIT SAID BALLS TO LEAVE SAID TUBE SUCCESSIVELY TO STRIKE AND PRODUCE IMPACTS UPON SAID SEISMOMETER, MEANS FOR COLLECTING THE BALLS LEAVING SAID TUBE, AND MEANS RESPONSIVE TO TILTING OF SAID DEVICE TO RETURN THE BALLS TO SAID TUBE.
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) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |