Patent US3076471A successfully refreshed from Google Patents.
US3076471A
Expired / Lapsed
US
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Modulating in-line valve
Assignee: Vapor Heating Corp
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Filing: 1959-05-25
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Granted: 1963-02-05
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Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Paul G Salerno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:20
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; G05D7/0133; G05D7/014; Y; Y10; Y10T; Y10T137/00; Y10T137/3367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE241913C
Cited
US2000297A
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US2442625A
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US2608985A
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US2699316A
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US2851055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |