Patent US1503353A successfully refreshed from Google Patents.
Patent US2492585A successfully refreshed from Google Patents.
US2492585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stoker
Assignee: Individual
•
Filing: 1945-05-19
•
Granted: 1949-12-27
•
Expires: 1965-05-19
Abstract
No abstract record available.
Inventors
- 👤 George A Kohout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:20
CPC Classifications
F; F23; F23K; F23K3/00; F23K3/08; F23G; F23G2900/00; F23G2900/54001
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) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |