US2832367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling fluid flow over parallel paths
Assignee: Individual
•
Filing: 1953-12-30
•
Granted: 1958-04-29
•
Expires: 1973-12-30
Abstract
No abstract record available.
Inventors
- 👤 Werter Jay P Au
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:07
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0193; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/2574; Y10T137/2605; Y10T137/2617; Y10T137/262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1078257A
Cited
US1108721A
Cited
US1803437A
Cited
US2294753A
Cited
US2410876A
Cited
US2547823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |