US3529620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetically actuated stroke adjustable valve
Assignee: Robert Bosch GmbH
•
Filing: 1967-11-03
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Granted: 1970-09-22
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Expires: 1987-11-03
Abstract
No abstract record available.
Inventors
- 👤 Heinz Leiber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0603; F16K31/0624; F16K31/0627; F16K31/0631; F16K31/0606; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US374088A
Cited
US1822668A
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US2366412A
Cited
US2616452A
Cited
US2855947A
Cited
GB739076A
Cited
US2863473A
Cited
US3231233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |