US3376014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replaceable substantially rigid fluorocarbon resin valve unit for use in butterfly valves
Assignee: Garlock Inc
•
Filing: 1965-03-09
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Granted: 1968-04-02
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Expires: 1985-03-09
Abstract
No abstract record available.
Inventors
- 👤 Bucklet Frederick Henry
- 👤 Lengyel Joseph David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:22
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/16; F16K1/18; F16K1/22; F16K1/226; F16K1/2263; F16K1/2265; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3073336A
Cited
US2657896A
Cited
US2847181A
Cited
US3072139A
Cited
US3143132A
Cited
US3233861A
Cited
US3241806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |