Patent US3286229A successfully refreshed from Google Patents.
US3286229A
Expired / Lapsed
US
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Long period horizontal seismometer
Assignee: Individual
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Filing: 1964-03-31
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Granted: 1966-11-15
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Edwin G Millis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:25
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/18; G01V1/181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A SEISMOMETER FOR THE DETECTION OF EARTH TREMORS IN A HORIZONTAL DIRECTION COMPRISING, A CYLINDRICAL FRAME, SAID FRAME HAVING A LONGITUDINAL OPENING THERETHROUGH AND A BORE AT ONE END, A PENDULUM MOUNTED WITHIN SAID FRAME, MOUNTING MEANS COMPRISING A PAIR OF PIVOTS EXTENDING FROM SAID FRAME INTO SAID PENDULUM AT ONE END THEREOF, A SPRING, A LOOP OF STAINLESS STEEL WIRE SECURED TO EACH END OF SAID SPRING, ONE OF SID LOOPS BEING FIXED TO SAID PENDULUM REMOTE FROM SAID PIVOTS AND THE OTHER OF SAID LOOPS BEING ADJUSTABLY SECURED TO SAID FRAME, A MALE AND FEMALE RELATIVELY ADJUSTABLE ATTACHMENT MEANS MOUNTED IN SAID BORE AT ONE END OF SAID FRAME; SAID MALE ATTACHMENT MEANS BEING SECURED TO SAID OTHER OF SAID LOOPS, AND AND A PAIR OF DAMPING MEANS MOUNTED AT DIAMETRICALLY OPPOSED POSITIONS ON SAID FRAME AND SECURED TO SAID PENDULUM AT A POSITION REMOTE FROM SAID PIVOTS.
Claim 2
Dependent Claim
151 words
IN A SEISMOMETER FOR THE DETECTION OF EARTH TREMORS IN A HORIZONTAL DIRECTION COMPRISING, A CYLINDRICAL FRAME, SAID FRAME HAVING A LONGITUDINAL OPENING THERETHROUGH AND A BORE AT ONE END, A PENDULUM MOUNTED WITHIN SAID FRAME, MOUNTING MEANS COMPRISING A PAIR OF PIVOTS EXTENDING FROM SAID FRAME INTO SAID PENDULUM AT ONE END THEREOF, A SPRING, A LOOP OF STAINLESS STEEL WIRE SECURED TO EACH END OF SAID SPRING, ONE OF SID LOOPS BEING FIXED TO SAID PENDULUM REMOTE FROM SAID PIVOTS AND THE OTHER OF SAID LOOPS BEING ADJUSTABLY SECURED TO SAID FRAME, A MALE AND FEMALE RELATIVELY ADJUSTABLE ATTACHMENT MEANS MOUNTED IN SAID BORE AT ONE END OF SAID FRAME; SAID MALE ATTACHMENT MEANS BEING SECURED TO SAID OTHER OF SAID LOOPS, AND AND A PAIR OF DAMPING MEANS MOUNTED AT DIAMETRICALLY OPPOSED POSITIONS ON SAID FRAME AND SECURED TO SAID PENDULUM AT A POSITION REMOTE FROM SAID PIVOTS.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |