US3516510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seismic wave generating system
Assignee: Texas Instruments Inc
•
Filing: 1967-12-20
•
Granted: 1970-06-23
•
Expires: 1987-12-20
Abstract
No abstract record available.
Inventors
- 👤 Herbert D Coburn
- 👤 Roy C Johnston
- 👤 Gilbert H Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:21
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/143; G01V1/145; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4643
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2651258A
Cited
US2692582A
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US2661596A
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US2743898A
Cited
US3282372A
Cited
US3405728A
Cited
US3329930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |