US3286722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum breaker
Assignee: BUCKNER IND Inc
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Filing: 1964-07-27
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Granted: 1966-11-22
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Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 John A Royer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:48
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/16; F; F16; F16K; F16K24/00; F16K24/06; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/3294; Y10T137/3331; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7842
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A VACUUM BREAKER COMPRISING A HOUSING HAVING A FLUID INLET PORT, AN OUTLET PORT, A VENT TO THE ATMOSPHERE DISPOSED AT AN ELEVATION ABOVE THE INLET PORT AND THE OUTLET PORT, A PASSAGE PROVIDING FLUID COMMUNICATION BETWEEN THE PORTS AND THE VENT, AND AND ANNULAR SEAT INTERMEDIATE THE VENT AND THE PORTS, AND CIRCUMSCRIBING SAID PASSAGE; RECIPROCATING MEANS MOUNTED IN THE HOUSING FOR ALTERNATELY SUCCESSIVELY CLOSING THE INLET PORT AND THE VENT; AN A BUOYANT MEMBER MOUNTED IN THE HOUSING ELEVATIONALLY BELOW THE SEAT AND ABOVE THE PORTS FOR ELEVATIONAL MOVEMENT RELATIVE TO THE RECIPROCATING MEANS BETWEEN A POSITION ENGAGED WITH THE SEAT AND CLOSING THE PASSAGE AND A POSITION DOWNWARDLY RETRACTED FROM THE SEAT.
Claim 2
Dependent Claim
115 words
A VACUUM BREAKER COMPRISING A HOUSING HAVING A FLUID INLET PORT, AN OUTLET PORT, A VENT TO THE ATMOSPHERE DISPOSED AT AN ELEVATION ABOVE THE INLET PORT AND THE OUTLET PORT, A PASSAGE PROVIDING FLUID COMMUNICATION BETWEEN THE PORTS AND THE VENT, AND AND ANNULAR SEAT INTERMEDIATE THE VENT AND THE PORTS, AND CIRCUMSCRIBING SAID PASSAGE; RECIPROCATING MEANS MOUNTED IN THE HOUSING FOR ALTERNATELY SUCCESSIVELY CLOSING THE INLET PORT AND THE VENT; AN A BUOYANT MEMBER MOUNTED IN THE HOUSING ELEVATIONALLY BELOW THE SEAT AND ABOVE THE PORTS FOR ELEVATIONAL MOVEMENT RELATIVE TO THE RECIPROCATING MEANS BETWEEN A POSITION ENGAGED WITH THE SEAT AND CLOSING THE PASSAGE AND A POSITION DOWNWARDLY RETRACTED FROM THE SEAT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |