US3411272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic fluid bypass sensing, actuating, and indicating system
Assignee: MICHIGAN DYNAMICS Inc A CORP OF MI
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Filing: 1966-02-07
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Granted: 1968-11-19
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Richard L Carmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:39
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/10; B01D46/0084; B01D46/0086; B01D46/12; B01D46/121; B01D46/52; B01D46/521; B64; B64C; B64C27/00; B64C27/32; B64D; B64D33/00; B64D33/02; F; F02; F02C; F02C7/00; F02C7/04; F02C7/05; F02C7/057; F24; F24F; F24F13/00; F24F13/28; B01D2273/00; B01D2273/10; B01D2279/00; B01D2279/60; B64D2033/0266; B64D2033/028
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |