US3457952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide control valve
Assignee: STANWICH INDUSTRIES Inc
•
Filing: 1966-09-19
•
Granted: 1969-07-29
•
Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 Louis P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:28
CPC Classifications
B; B23; B23D; B23D55/00; B23D55/04; B23D55/046; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/86702; Y10T137/87169; Y10T137/87233; Y10T137/87241; Y10T137/87265; Y10T137/87378
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US874113A
Cited
GB179854A
Cited
US2590137A
Cited
US2505710A
Cited
US2696219A
Cited
US3025838A
Cited
US3032063A
Cited
US3095903A
Cited
US3221770A
Cited
US3247867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |