Patent US2506097A successfully refreshed from Google Patents.
US2506097A
Expired / Lapsed
US
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Valve assembly for fuel systems
Assignee: Parker Appliance Co
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Filing: 1944-04-28
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Granted: 1950-05-02
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Expires: 1964-04-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Melichar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:20
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/085; F16K11/0853; F16K5/00; F16K5/04; F16K5/0414; F16K5/0457; F16K5/0478; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86501
Claims Analysis
Total Claims: 0
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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) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |