Patent US2745507A successfully refreshed from Google Patents.
US2745507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geophysical transducer
Assignee: Individual
•
Filing: 1951-03-19
•
Granted: 1956-05-15
•
Expires: 1971-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert G Bodine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:00
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/003; G01V1/006; G01V1/02; G01V1/143; G01V1/153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
SEISMIC WAVE GENERATOR APPARATUS COMPRISING, IN COMBINATION, A VIBRATOR, EARTH COUPLING MEANS, MEANS FOR
Claim 2
Dependent Claim
72 words
APPARATUS FOR DIRECTIONAL SEISMIC WAVE GENERATION AND PROJECTION COMPRISING THE COMBINATION OF: AN AREADEFINING ARRAY OF INDEPENDENTLY EARTH-COUPLED SUSTAINED SEISMIC WAVE GENERATORS HAVING A COMMON FREQUENCY SPACED APART BY AT LEAST A SUBSTANTIAL FRACTION OF A WAVE LENGTH IN THE EARTH AT THE COMMON GENERATOR FREQUENCY, SO AS TO IMPACT A DIRECTIONAL PROPERTY TO THE COMBINED WAVES FROM SAID PLURALITY OF GENERATORS, AND MEANS FOR DRIVING SAID GENERATORS AT THE COMMON FREQUENCY.
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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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |