US3544236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow control
Assignee: JAMES L BROOKMIRE
•
Filing: 1969-03-17
•
Granted: 1970-12-01
•
Expires: 1989-03-17
Abstract
No abstract record available.
Inventors
- 👤 James L Brookmire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:34
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; G05D7/0629; G05D7/0676; G05D23/00; G05D23/19; G05D23/1906; G05D23/1927; G05D23/20; G05D23/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2424344A
Cited
US2811019A
Cited
US2922570A
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US3290576A
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US3367124A
Cited
US3334285A
Cited
US3408940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |