Patent US3511270A successfully refreshed from Google Patents.
US3511270A
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Pressure control valve
Assignee: Robert Bosch GmbH
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Filing: 1968-09-11
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Granted: 1970-05-12
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Expires: 1988-09-11
Abstract
No abstract record available.
Inventors
- 👤 Siegfried Fehrenbach
- 👤 Willi Muller
- 👤 Karl-Heinz Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:42
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0638; G05D16/0641; F; F02; F02M; F02M69/00; F02M69/46; F02M69/54; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0406; F16K17/08; F16K17/085; G05D16/024; G05D16/0644; G05D16/0655; G05D16/0658; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/7836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR494109A
Cited
US3106219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |