Patent US3586926A successfully refreshed from Google Patents.
Patent US3088710A successfully refreshed from Google Patents.
US3088710A
Expired / Lapsed
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Method and apparatus for depth regulation
Assignee: Individual
•
Filing: 1962-02-26
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Granted: 1963-05-07
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Evans
- 👤 Carl J Shipek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:06
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/08; G01; G01C; G01C13/00; G01C13/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A SYSTEM FOR REGULATING THE DEPTH OF A LIQUID-IMMERSED OBJECT THAT IS CABLE-SUSPENDED FROM A VACILLATING PLATFORM COMPRISING A SENSOR, SAID SENSOR BEING IMMERSED IN SAID LIQUID, CONNECTED TO SAID PLATFORM AND FREE TO MOVE THEREWITH, SAID SENSOR PRODUCING AN OUTPUT SIGNAL CORRESPONDING TO ITS INSTANTANEOUS DEPTH IN SAID LIQUID, MEANS COUPLED TO SAID SENSOR FOR GENERATING AN ERROR SIG-
Claim 2
Independent Claim
60 words
A SYSTEM FOR REGULATING THE DEPTH OF A LIQUID-IMMERSED OBJECT THAT IS CABLE-SUSPENDED FROM A VACILLATING PLATFORM COMPRISING A SENSOR, SAID SENSOR BEING IMMERSED IN SAID LIQUID, CONNECTED TO SAID PLATFORM AND FREE TO MOVE THEREWITH, SAID SENSOR PRODUCING AN OUTPUT SIGNAL CORRESPONDING TO ITS INSTANTANEOUS DEPTH IN SAID LIQUID, MEANS COUPLED TO SAID SENSOR FOR GENERATING AN ERROR SIG-
References Cited (Backward Citations)
US2650046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |