Patent US5137482A successfully refreshed from Google Patents.
US3538947A
Expired / Lapsed
US
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Multiple valve araangement
Assignee: Robert Bosch GmbH
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Filing: 1968-11-25
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Granted: 1970-11-10
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Expires: 1988-11-25
Abstract
No abstract record available.
Inventors
- 👤 Heinz Leiber
- 👤 Dietrich Brunner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:49
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/34; B60T8/36; B60T8/3615; B60T8/3675; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8122; Y10T137/8593; Y10T137/877; Y10T137/87885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |