Patent US3295554A successfully refreshed from Google Patents.
US3295554A
Expired / Lapsed
US
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Valve construction
Assignee: American Machine Products Inc
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Filing: 1964-07-29
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Granted: 1967-01-03
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Expires: 1984-07-29
Abstract
No abstract record available.
Inventors
- 👤 Huppert Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:54
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/06; F16K27/065; F16K11/00; F16K11/02; F16K11/08; F16K11/085; F16K11/0853; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |