US2781779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas range burner control
Assignee: W J SCHOENBERGER CO
•
Filing: 1952-01-26
•
Granted: 1957-02-19
•
Expires: 1972-01-26
Abstract
No abstract record available.
Inventors
- 👤 Frank J Kindl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:48
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/02; F16K5/0214; F23; F23N; F23N1/00; F23N1/02; F23N1/027; F23D; F23D2203/00; F23D2203/007; F23D2900/00; F23D2900/14; F23D2900/14062; Y; Y10; Y10S; Y10S137/00; Y10S137/905; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8593; Y10T137/86493; Y10T137/86509; Y10T137/86517; Y10T137/86533; Y10T137/86541; Y10T137/86718; Y10T137/86743; Y10T137/86751; Y10T137/87265; Y10T137/87523; Y10T137/87539; Y10T137/87547; Y10T137/87917
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-19 | 1960-08-20 | 1961-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-19 | 1964-08-20 | 1965-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-19 | 1968-08-20 | 1969-02-19 | $7700.00 | Window Closed / Lapsed |