Patent US1985279A successfully refreshed from Google Patents.
US1985279A
Expired / Lapsed
US
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Fluid control valve
Assignee: Heil Co
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Filing: 1934-07-19
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Granted: 1934-12-25
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Expires: 1954-07-19
Abstract
No abstract record available.
Inventors
- 👤 Charles R Buller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:51
CPC Classifications
F; F23; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/147; Y; Y10; Y10S; Y10S137/00; Y10S137/903; Y10S251/00; Y10S251/903; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2612; Y10T137/7722; Y10T137/7781; Y10T137/7834
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) | 1937-12-24 | 1938-06-25 | 1938-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-24 | 1942-06-25 | 1942-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-24 | 1946-06-25 | 1946-12-25 | $7700.00 | Window Closed / Lapsed |