US3221990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pure fluid shift register
Assignee: Individual
•
Filing: 1964-01-30
•
Granted: 1965-12-07
•
Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:01
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; F15C1/12; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2158; Y10T137/2267
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PURE FLUID SHIFT REGISTER COMPRISING: (A) A SOURCE OF FLUID SYNCHRONIZING PULSES; (B) A PLURALITY OF SUCCESSIVE PURE FLUID BISTABLE INFORMATION STORAGE ELEMENTS CONNECTED TO A FLUID POWER SOURCE; (C) A PLURALITY OF PURE FLUID AND GATES; (D) EACH OF SAID AND GATES BEING CONNECTED BETWEEN A PRECEDING AND A SUCCEEDING BISTABLE ELEMENT; (E) AN INPUT OF A FIRST ONE OF SAID BISTABLE ELEMENTS AND AN INPUT OF EACH OF SAID GATES BEING CONNECTED TO SAID SOURCE OF FLUID PULSES; (F) THE OUTPUT OF EACH OF SAID BISTABLE ELEMENTS INDICATING ONE STABLE STATE THEREFOR BEING CONNECTED THRU AN RC TIME DELAY TO TH EOTHER INPUT OF EACH OF SAID AND GATES; (G) SAID SUCCEEDING BISTABLE ELEMENTS BEING SWITCHED TO ONE STABLE STATE IN RESPONSE TO SAID AND GATES RECEIVING ONLY SYNCHRONIZING FLUID PULSE;
Claim 2
Dependent Claim
134 words
A PURE FLUID SHIFT REGISTER COMPRISING: (A) A SOURCE OF FLUID SYNCHRONIZING PULSES; (B) A PLURALITY OF SUCCESSIVE PURE FLUID BISTABLE INFORMATION STORAGE ELEMENTS CONNECTED TO A FLUID POWER SOURCE; (C) A PLURALITY OF PURE FLUID AND GATES; (D) EACH OF SAID AND GATES BEING CONNECTED BETWEEN A PRECEDING AND A SUCCEEDING BISTABLE ELEMENT; (E) AN INPUT OF A FIRST ONE OF SAID BISTABLE ELEMENTS AND AN INPUT OF EACH OF SAID GATES BEING CONNECTED TO SAID SOURCE OF FLUID PULSES; (F) THE OUTPUT OF EACH OF SAID BISTABLE ELEMENTS INDICATING ONE STABLE STATE THEREFOR BEING CONNECTED THRU AN RC TIME DELAY TO TH EOTHER INPUT OF EACH OF SAID AND GATES; (G) SAID SUCCEEDING BISTABLE ELEMENTS BEING SWITCHED TO ONE STABLE STATE IN RESPONSE TO SAID AND GATES RECEIVING ONLY SYNCHRONIZING FLUID PULSE;
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |