US3361226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas exploder seismic device
Assignee: Sinclair Research Inc
•
Filing: 1966-02-18
•
Granted: 1968-01-02
•
Expires: 1986-02-18
Abstract
No abstract record available.
Inventors
- 👤 Stephen E Szasz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:31
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/104; G01V1/108; G01V1/112; Y; Y10; Y10S; Y10S181/00; Y10S181/40; Y10S181/401
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3138073A
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US3277977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |