US3421533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow divider valve assembly insensitive to discharge pressure
Assignee: Motors Liquidation Co
•
Filing: 1965-12-30
•
Granted: 1969-01-14
•
Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 Francis Edward Conn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:43
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/022; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2524; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/2599; Y10T137/8593; Y10T137/86493; Y10T137/86879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1993790A
Cited
US2266921A
Cited
US2643664A
Cited
US2956577A
Cited
US3044480A
Cited
US2972338A
Cited
US3195669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |