US3333460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seismometer
Assignee: Individual
•
Filing: 1964-02-25
•
Granted: 1967-08-01
•
Expires: 1984-02-25
Abstract
No abstract record available.
Inventors
- 👤 Nicholas P Reeff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:29
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/18; G01V1/181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A SEISMOMETER, A BASE, AN INERTIA MASS, ELASTICALLY FLEXIBLE MEANS ANCHORED TO SAID BASE DISPOSED SUBSTANTIALLY IN A COMMON PLANE INTERSECTING THE MASS, SAID MASS BEING CONNECTED SOLELY TO THE FLEXIBLE MEANS IN A STATICALLY BALANCED POSITION ABOVE THE BASE TO VIBRATE IN A DIRECTION TRANSVERSE TO SAID COMMON PLANE, SAID FLEXIBLE MEANS COMPRISING, A PAIR OF FLAT SPRING ELEMENTS HAVING THEIR FLAT FACES ALIGNED IN THE COMMON PLANE, CONNECTED AT OPPOSITE END PORTIONS TO THE BASE AND THE INERTIA MASS, AND MEANS FOR ADJUSTABLY POSITIONING THE SAID OPPOSITE END PORTIONS ON THE BASE AND THE INTERIA MASS FOR SUPPORTING THE INERTIA MASS IN SAID STATICALLY BALANCED POSITION WITH THE ELEMENTS IN AN UNFLEXED CONDITION.
Claim 2
Dependent Claim
116 words
IN A SEISMOMETER, A BASE, AN INERTIA MASS, ELASTICALLY FLEXIBLE MEANS ANCHORED TO SAID BASE DISPOSED SUBSTANTIALLY IN A COMMON PLANE INTERSECTING THE MASS, SAID MASS BEING CONNECTED SOLELY TO THE FLEXIBLE MEANS IN A STATICALLY BALANCED POSITION ABOVE THE BASE TO VIBRATE IN A DIRECTION TRANSVERSE TO SAID COMMON PLANE, SAID FLEXIBLE MEANS COMPRISING, A PAIR OF FLAT SPRING ELEMENTS HAVING THEIR FLAT FACES ALIGNED IN THE COMMON PLANE, CONNECTED AT OPPOSITE END PORTIONS TO THE BASE AND THE INERTIA MASS, AND MEANS FOR ADJUSTABLY POSITIONING THE SAID OPPOSITE END PORTIONS ON THE BASE AND THE INTERIA MASS FOR SUPPORTING THE INERTIA MASS IN SAID STATICALLY BALANCED POSITION WITH THE ELEMENTS IN AN UNFLEXED CONDITION.
References Cited (Backward Citations)
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |