Patent US3332580A successfully refreshed from Google Patents.
US3332580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid applicator valve
Assignee: Lockwood Technical Inc
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Filing: 1965-09-20
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Granted: 1967-07-25
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Robert A Spencer
- 👤 Glynn H Lockwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:04
CPC Classifications
B; B05; B05C; B05C5/00; B05C5/02; B05C5/027; B05C5/0275; B05C5/0225; B05C5/0229; B05C5/0233; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86831; Y10T137/86863; Y10T137/86879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
A VAVE STRUCTURE COMPRISING IN COMBINATION A VALVE HOUSING FORMING A CHAMBER HAVING A CYLINDRICAL WALL, A VALVE MEMBER MOVABLY MOUNTED IN THE CHAMBER AND HAVING A PLURALITY OF TRANSVERSE BORES, A SHOE FREELY SLIDABLE LONGITUDINALLY OF EACH BORE AND HAVING A WORKING FACE ADAPTED TO FIT THE CYLINDRICAL CHAMBER WALL IN SEALING RELATION AND HAVING A SHOE PASSAGE THAT OPENS AT ONE END THROUGH SAID WORKING FACE, RESILIENT MEANS YIELDINGLY URGING THE SHOE IN EACH BORE INTO ABUTTING ENGAGEMENT WITH THE CYLINDRICAL CHAMBER WALL, THE VALVE HOUSING HAVING AN INLET PASSAGE COMMUNICATING WITH THE INTERIOR OF THE CHAMBER AND WITH THE OTHER ENDS OF SAID SHOE PASSAGES, THE VALVE HOUSING HAVING A PLURALITY OF OUTLET PASSAGES OPENING THROUGH THE CYLINDRICAL CHAMBER WALL AND BEING ALINED WITH OPENINGS IN RESPECTIVE SHOE FACES IN A FIRST POSITION OF THE VALVE MEMBER TO OPEN SAID OUTLET PASSAGES FOR FLOW FROM THE INLET PASSAGE THROUGH THE SHOE PASSAGES, THE WIDTH OF EACH SHOE WORKING FACE OUTWARDLY OF THE SHOE PASSAGE EXCEEDING THE DIAMETER OF THE ASSOCIATED OUTLET PASSAGE, SO AS TO PROVIDE A SEALING OVERLAP FOR SAID OUTLET PASSAGE, AND SAID OUTLET PASSAGES BEING SEALINGLY COVERED BY THE RESPECTIVE SHOE FACES IN A SECOND POSITION OF THE VALVE MEMBER TO CLOSE SAID OUTLET PASSAGES, AND MEANS FOR SELECTIVELY SHIFTING THE VALVE MEMBER BETWEEN SAID FIRST AND SECOND POSITIONS.
Claim 2
Dependent Claim
225 words
A VAVE STRUCTURE COMPRISING IN COMBINATION A VALVE HOUSING FORMING A CHAMBER HAVING A CYLINDRICAL WALL, A VALVE MEMBER MOVABLY MOUNTED IN THE CHAMBER AND HAVING A PLURALITY OF TRANSVERSE BORES, A SHOE FREELY SLIDABLE LONGITUDINALLY OF EACH BORE AND HAVING A WORKING FACE ADAPTED TO FIT THE CYLINDRICAL CHAMBER WALL IN SEALING RELATION AND HAVING A SHOE PASSAGE THAT OPENS AT ONE END THROUGH SAID WORKING FACE, RESILIENT MEANS YIELDINGLY URGING THE SHOE IN EACH BORE INTO ABUTTING ENGAGEMENT WITH THE CYLINDRICAL CHAMBER WALL, THE VALVE HOUSING HAVING AN INLET PASSAGE COMMUNICATING WITH THE INTERIOR OF THE CHAMBER AND WITH THE OTHER ENDS OF SAID SHOE PASSAGES, THE VALVE HOUSING HAVING A PLURALITY OF OUTLET PASSAGES OPENING THROUGH THE CYLINDRICAL CHAMBER WALL AND BEING ALINED WITH OPENINGS IN RESPECTIVE SHOE FACES IN A FIRST POSITION OF THE VALVE MEMBER TO OPEN SAID OUTLET PASSAGES FOR FLOW FROM THE INLET PASSAGE THROUGH THE SHOE PASSAGES, THE WIDTH OF EACH SHOE WORKING FACE OUTWARDLY OF THE SHOE PASSAGE EXCEEDING THE DIAMETER OF THE ASSOCIATED OUTLET PASSAGE, SO AS TO PROVIDE A SEALING OVERLAP FOR SAID OUTLET PASSAGE, AND SAID OUTLET PASSAGES BEING SEALINGLY COVERED BY THE RESPECTIVE SHOE FACES IN A SECOND POSITION OF THE VALVE MEMBER TO CLOSE SAID OUTLET PASSAGES, AND MEANS FOR SELECTIVELY SHIFTING THE VALVE MEMBER BETWEEN SAID FIRST AND SECOND POSITIONS.
References Cited (Backward Citations)
US1790845A
Cited
US2159689A
Cited
US2272184A
Cited
US2791353A
Cited
US2928380A
Cited
US2983280A
Cited
US2998223A
Cited
US3032066A
Cited
US3227311A
Cited
US3212752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |