Patent US3012223A successfully refreshed from Google Patents.
US3012223A
Expired / Lapsed
US
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Seismic prospecting apparatus
Assignee: Clevite Corp
•
Filing: 1956-08-06
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Granted: 1961-12-05
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Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 Begun Semi Joseph
- 👤 Alfred P Dank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:19
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/36; G01V1/362; G01V2210/00; G01V2210/50; G01V2210/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732025A
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US2628689A
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US2658579A
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US2671375A
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US2806757A
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US2800639A
Cited
US2803515A
Cited
US2837729A
Cited
US2876428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |