US3401770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas exploder apparatus for propagating seismic waves
Assignee: Sinclair Research Inc
•
Filing: 1967-02-06
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Granted: 1968-09-17
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Expires: 1987-02-06
Abstract
No abstract record available.
Inventors
- 👤 Lauren G Kilmer
- 👤 Phil W Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:23
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/104; G01V1/108
Claims Analysis
Total Claims: 0
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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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |