US3333247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital recording of seismic data
Assignee: Pan American Petroleum Corp
•
Filing: 1963-12-16
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Granted: 1967-07-25
•
Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Charles F Hadley
- 👤 Silverman Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:05
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/24; G01V1/247
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
IN A TEMPORARY DIGITAL STORAGE SYSTEM INTO WHICH, SIMULTANEOUSLY, DIGITAL SIGNALS ARE LOADED IN A GIVEN SEQUENCE AND FROM WHICH DIGITAL SIGNALS ARE UNLOADED IN THE SAME SEQUENCE, THE TIMES OF LOADING BEING UNCONTROLLABLE, THE CYCLE OF UNLOADING BEING CONTROLLED BY A FIRST TIMING MEANS CAPABLE OF DELIVERING AT PRECISE PREDETERMINED TIME INTERVALS A SET OF ACTUATING PULSES, THE IMPROVEMENT FOR PREVENTING THE LOADING AND UNLOADING OF SAID SIGNALS AT THE SAME INSTANT OF TIME, COMPRISING, (A) SECOND TIMING MEANS RESPONSIVE TO SAID TIMING MEANS TO PROVIDE IN EACH UNLOADING CYCLE AN EARLY UNLOAD AND A LATE UNLOAD PULSE,
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |