Patent US3202182A successfully refreshed from Google Patents.
US3202182A
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US
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Balanced poppet valve
Assignee: Jacobs Vehicle Systems Inc
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Filing: 1961-10-16
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Granted: 1965-08-24
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Girard S Haviland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:17
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/022; F16K11/025; F01; F01L; F01L13/00; F01L13/06; F01L13/065; F01L9/00; F01L9/10; F02; F02D; F02D1/00; F02D13/00; F02D13/02; F02D13/04; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B13/0405; F15B13/044; F02D2700/00; F02D2700/10; Y; Y10; Y10S; Y10S251/00; Y10S251/90; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/8667; Y10T137/86686
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
IN A VALVE, A SPOOL ASSEMBLY MOVABLE AXIALLY AS A UNIT AND COMPRISING A SPOOL, A PAIR OF AXIALLY SPACED ARCUATE GROOVES IN THE SPOOL, A PAIR OF ELASTIC RINGS MOUNTED IN THE RESPECTIVE GROOVES, AND A RETAINER SLEEVE HAVING A BORE SURROUNDING THE SPOOL AND HAVING A RETAINER PORTION SURROUNDING AT LEAST PART OF ONE OF THE RINGS, SAID SLEEVE HAVING A SHOULDER AT EACH END OF THE BORE TO RESIST AXIAL MOVEMENT OF THE SLEEVE RELATIVE TO THE RINGS.
References Cited (Backward Citations)
US2130892A
Cited
US2431437A
Cited
US2727599A
Cited
US2997064A
Cited
CH331648A
Cited
US3016917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |