US3077207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum pulsator
Assignee: Clary Corp
•
Filing: 1960-07-14
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Granted: 1963-02-12
•
Expires: 1980-07-14
Abstract
No abstract record available.
Inventors
- 👤 Rodrick J Koutnik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:19
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0603; F16K31/061; F16K31/0613; A; A01; A01J; A01J5/00; A01J5/04; A01J5/10; A01J5/14; F16K11/00; F16K11/02; F16K11/022; F16K11/025; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A VALVE COMPRISING A VALVE BODY HAVING AN AXIAL BORE, TWO AXIALLY SPACED SERVICE PASSAGES CONNECTED TO SAID BORE, AND A VACUUM PASSAGE CONNECTED TO SAID BORE INTERMEDIATE SAID SERVICE PASSAGES; O-RING GROOVES IN SAID BORE INTERMEDIATE SAID VACUUM PASSAGE AND EACH OF SAID SERVICE PASSAGES, THE GROOVE SHOULDER OF EACH OF SAID O-RING GROOVES NEAREST SAID VACUUM PASSAGE AND ADJACENT SAID BORE EXTENDING IN A PLANE AT LEAST SUBSTANTIALLY AT RIGHT ANGLES TO THE AXIS OF SAID BORE, THE GROOVE SHOULDER OF EACH OF SAID O-RING GROOVES NEAREST THE RESPECTIVE ONE OF SAID SERVICE PASSAGES EXTENDING IN AT LEAST SUBSTANTIALLY A CONICAL PLANE WHOSE APEX IS LOCATED COINCIDENT WITH THE AXIS OF SAID BORE AND AWAY FROM SAID VACUUM PASSAGE, O-RINGS IN SAID GROOVES, AND A VALVE ELEMENT MOVABLE AXIALLY IN SAID BORE, SAID VALVE ELEMENT HAVING ANNULAR SHOULDERS EXTENDING INTERMEDIATE SAID ORINGS, SAID ANNULAR SHOULDERS BEING EFFECTIVE TO EMBED IN RESPECTIVE ONES OF SAID O-RINGS UPON MOVEMENT OF SAID VALVE MEMBER IN OPPOSITE DIRECTIONS, AND SAID ANNULAR SHOULDERS BEING EFFECTIVE TO MOVE RESPECTIVE ONES OF SAID O-RINGS AXIALLY ALONG THE RESPECTIVE GROOVE SHOULDERS NEAREST THE RESPECTIVE ONES OF SAID SERVICE PASSAGES.
Claim 2
Dependent Claim
193 words
A VALVE COMPRISING A VALVE BODY HAVING AN AXIAL BORE, TWO AXIALLY SPACED SERVICE PASSAGES CONNECTED TO SAID BORE, AND A VACUUM PASSAGE CONNECTED TO SAID BORE INTERMEDIATE SAID SERVICE PASSAGES; O-RING GROOVES IN SAID BORE INTERMEDIATE SAID VACUUM PASSAGE AND EACH OF SAID SERVICE PASSAGES, THE GROOVE SHOULDER OF EACH OF SAID O-RING GROOVES NEAREST SAID VACUUM PASSAGE AND ADJACENT SAID BORE EXTENDING IN A PLANE AT LEAST SUBSTANTIALLY AT RIGHT ANGLES TO THE AXIS OF SAID BORE, THE GROOVE SHOULDER OF EACH OF SAID O-RING GROOVES NEAREST THE RESPECTIVE ONE OF SAID SERVICE PASSAGES EXTENDING IN AT LEAST SUBSTANTIALLY A CONICAL PLANE WHOSE APEX IS LOCATED COINCIDENT WITH THE AXIS OF SAID BORE AND AWAY FROM SAID VACUUM PASSAGE, O-RINGS IN SAID GROOVES, AND A VALVE ELEMENT MOVABLE AXIALLY IN SAID BORE, SAID VALVE ELEMENT HAVING ANNULAR SHOULDERS EXTENDING INTERMEDIATE SAID ORINGS, SAID ANNULAR SHOULDERS BEING EFFECTIVE TO EMBED IN RESPECTIVE ONES OF SAID O-RINGS UPON MOVEMENT OF SAID VALVE MEMBER IN OPPOSITE DIRECTIONS, AND SAID ANNULAR SHOULDERS BEING EFFECTIVE TO MOVE RESPECTIVE ONES OF SAID O-RINGS AXIALLY ALONG THE RESPECTIVE GROOVE SHOULDERS NEAREST THE RESPECTIVE ONES OF SAID SERVICE PASSAGES.
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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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |