Patent US3266380A successfully refreshed from Google Patents.
US3266380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic operational amplifier system
Assignee: SRI International Inc
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Filing: 1963-11-26
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Granted: 1966-08-16
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 John J Eige
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:57
CPC Classifications
F; F15; F15C; F15C3/00; F15C3/06; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2365; Y10T137/2409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A FLUID-ACTUATED LOGICAL ELEMENT COMPRISING A BODY OF MATERIAL HAVING A FIRST INPUT APERTURE, AN OUTPUT APERTURE, A FIRST PASSAGE THEREIN AFFORDING COMMUNICATION BETWEEN SAID FIRST INPUT APERTURE AND SAID OUTPUT APERTURE, FIRST BALL MEANS IN SAID FIRST PASSAGE MOVABLE THEREIN BETWEEN A FIRST POSITION FOR BLOCKING COMMUNICATION BETWEEN SAID FIRST INPUT APERTURE AND SAID OUTPUT APERTURE, AND A SECOND POSITION WHEREIN SAID COMMUNICATION IS AFFORDED, A SECOND PASSAGE IN SAID BODY OF MATERIAL ALIGNED WITH SAID FIRST PASSAGE AND IN COMMUNICATION THEREWITH, SAID SECOND PASSAGE BEING LARGER THAN SAID FIRST PASSAGE, A SECOND BALL MEANS IN SAID SECOND PASSAGE MOVABLE IN SAID SECOND PASSAGE TO A FIRST POSITION WHEREBY IT MOVES SAID FIRST BALL MEANS TO ITS FIRST POSITION AND TO A SECOND POSITION WHEREBY SAID BALL MEANS MAY BE MOVED TO ITS SECOND POSITION, THE EXTENT OF COMMUNICATION BETWEEN SAID INPUT AND OUTPUT APERTURES BEING DETERMINED BY THE LOCATION OF SAID FIRST BALL MEANS RELATIVE TO SAID FIRST AND SECOND POSITIONS, SECOND, THIRD, FOURTH, AND FIFTH INPUT APERTURES IN SAID BODY OF MATERIAL COMMUNICATING WITH SAID SECOND PASSAGE AT THE SIDE OF SAID SECOND BALL MEANS
Claim 2
Dependent Claim
188 words
A FLUID-ACTUATED LOGICAL ELEMENT COMPRISING A BODY OF MATERIAL HAVING A FIRST INPUT APERTURE, AN OUTPUT APERTURE, A FIRST PASSAGE THEREIN AFFORDING COMMUNICATION BETWEEN SAID FIRST INPUT APERTURE AND SAID OUTPUT APERTURE, FIRST BALL MEANS IN SAID FIRST PASSAGE MOVABLE THEREIN BETWEEN A FIRST POSITION FOR BLOCKING COMMUNICATION BETWEEN SAID FIRST INPUT APERTURE AND SAID OUTPUT APERTURE, AND A SECOND POSITION WHEREIN SAID COMMUNICATION IS AFFORDED, A SECOND PASSAGE IN SAID BODY OF MATERIAL ALIGNED WITH SAID FIRST PASSAGE AND IN COMMUNICATION THEREWITH, SAID SECOND PASSAGE BEING LARGER THAN SAID FIRST PASSAGE, A SECOND BALL MEANS IN SAID SECOND PASSAGE MOVABLE IN SAID SECOND PASSAGE TO A FIRST POSITION WHEREBY IT MOVES SAID FIRST BALL MEANS TO ITS FIRST POSITION AND TO A SECOND POSITION WHEREBY SAID BALL MEANS MAY BE MOVED TO ITS SECOND POSITION, THE EXTENT OF COMMUNICATION BETWEEN SAID INPUT AND OUTPUT APERTURES BEING DETERMINED BY THE LOCATION OF SAID FIRST BALL MEANS RELATIVE TO SAID FIRST AND SECOND POSITIONS, SECOND, THIRD, FOURTH, AND FIFTH INPUT APERTURES IN SAID BODY OF MATERIAL COMMUNICATING WITH SAID SECOND PASSAGE AT THE SIDE OF SAID SECOND BALL MEANS
References Cited (Backward Citations)
US3031846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |