Patent US3027136A successfully refreshed from Google Patents.
US3027136A
Expired / Lapsed
US
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Valve mechanism
Assignee: J A Renaldi & Co Inc
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Filing: 1959-04-27
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Granted: 1962-03-27
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Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 John A Renaldi
- 👤 Peter A Markunas
- 👤 Terra Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:43
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/52; A; A61; A61M; A61M16/00; A61M16/20; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8326
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) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |