US3538949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow control apparatus
Assignee: Robert Bosch GmbH
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Filing: 1969-04-11
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Granted: 1970-11-10
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Expires: 1989-04-11
Abstract
No abstract record available.
Inventors
- 👤 Manfred Kramer
- 👤 Heinz Kleinschmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:47
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/16; F15B11/17; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86163; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/8671; Y10T137/86815; Y10T137/86879; Y10T137/87169; Y10T137/877; Y10T137/87708; Y10T137/87764; 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 |