US2408799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shuttle valve
Assignee: Parker Appliance Co
•
Filing: 1943-01-30
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Granted: 1946-10-08
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Expires: 1963-01-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Melichar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:41
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F17; F17C; F17C13/00; F17C13/04; F17C13/045; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0382; F17C2221/00; F17C2221/03; F17C2221/031; F17C2223/00; F17C2223/01; F17C2223/0107; F17C2223/0123; F17C2223/03; F17C2223/036; F17C2227/00; F17C2227/04; F17C2227/041; F17C2227/042; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/2569; Y10T137/7722; Y10T137/7837; Y10T137/7866
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-10-07 | 1950-04-08 | 1950-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-07 | 1954-04-08 | 1954-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-07 | 1958-04-08 | 1958-10-08 | $7700.00 | Window Closed / Lapsed |