US3455322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure compensated diverter valve
Assignee: Doosan Bobcat North America Inc
•
Filing: 1966-12-30
•
Granted: 1969-07-15
•
Expires: 1986-12-30
Abstract
No abstract record available.
Inventors
- 👤 Willard L Chichester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:18
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20538; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50536; F15B2211/515; F15B2211/5151; F15B2211/55; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7052; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2642
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |