Operator devices
Abstract
Abstract A PRESSURE FLUID ACTUATED OPERATOR DEVICE MOVABLE TO AT LEAST TWO POSITIONS FOR OPERATING OTHER DEVICES AND ADAPTED TO BE RELEASABLY LOCKED IN EACH OF SAID POSITIONS, HAVING FLUID PRESSURE DIFFERENTIAL PULSE CODE SIGNAL RESPONSIVE OPERATOR MEANS FOR ACTUATING AND RELEASING THE LOCKING MEANS OF SAID OPERATOR DEVICE IN RESPONSE TO SELECTED PREDETERMINED PULSE CODE PRESSURE DIFFERENTIAL SIGNALS TRANSMITTED TO SAID OPERATOR DEVICE FROM A REMOTE SOURCE OF PRESSURE FLUID, AND A SYSTEM UTILIZING A PLURALITY OF SAID OPERATOR DEVICES IN WHICH EACH IS SELECTIVELY OPERATED IN RESPONSE TO A PREDETERMINED SELECTED PULSE CODE PRESSURE DIFFERENTIAL SIGNAL TRANSMITTED TO ALL OF SAID OPERATOR MEANS BY FLUID PRESSURE.
Inventors
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Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-21 | 1975-08-23 | 1976-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-21 | 1979-08-23 | 1980-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-21 | 1983-08-23 | 1984-02-22 | $7700.00 | Window Closed / Lapsed |