US3533431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap acting valve mechanism
Assignee: Gilmore Valve Co Inc
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Filing: 1968-04-05
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Granted: 1970-10-13
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Expires: 1988-04-05
Abstract
No abstract record available.
Inventors
- 👤 Rainer Kuenzel
- 👤 Samuel E Gilmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:55
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/044; F15; F15B; F15B13/00; F15B13/02; F15B13/028; F16K11/06; F16K11/065; F16K11/07; F16K11/0704; F16K15/00; F16K15/02; F16K15/021; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/2569
Claims Analysis
Total Claims: 0
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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) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |