US3463193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide valve construction
Assignee: OSCAR A YOST
•
Filing: 1966-12-01
•
Granted: 1969-08-26
•
Expires: 1986-12-01
Abstract
No abstract record available.
Inventors
- 👤 Oscar A Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:33
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/04; F16K27/044; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/0655; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86501; Y10T137/86831; Y10T137/86879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US226715A
Cited
US2820479A
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US2828767A
Cited
US2997273A
Cited
US3027722A
Cited
US3353557A
Cited
US3347269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |