Patent US3496962A successfully refreshed from Google Patents.
US3496962A
Expired / Lapsed
US
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Control valve
Assignee: Borg Warner Corp
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Filing: 1967-02-13
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Granted: 1970-02-24
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Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 John J Tuzson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:16
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; G05D7/0133; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7792
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2224216A
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US2541464A
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US2800141A
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US2917074A
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US2917075A
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US3112764A
Cited
US3130747A
Cited
US3196902A
Cited
US3170481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |