Patent US3380469A successfully refreshed from Google Patents.
US3380469A
Expired / Lapsed
US
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Valve assembly
Assignee: Vapor Corp
•
Filing: 1965-07-16
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Granted: 1968-04-30
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Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Paul G Salerno
- 👤 Robert P Smith
- 👤 Malcolm A Sime
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:13
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; B64D13/06; B64D39/00; F; F16; F16K; F16K1/00; F16K1/12; F16K1/126; F16K31/00; F16K31/12; F16K31/36; F16K31/363; F16K31/40; F16K31/42; Y; Y10; Y10T; Y10T137/00; Y10T137/3367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US845063A
Cited
US1571396A
Cited
US1824916A
Cited
US2814307A
Cited
GB809531A
Cited
US3076471A
Cited
US3156253A
Cited
US3297047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |