Patent US2843197A successfully refreshed from Google Patents.
US2843197A
Expired / Lapsed
US
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Burner
Assignee: Individual
•
Filing: 1954-12-13
•
Granted: 1958-07-15
•
Expires: 1974-12-13
Abstract
No abstract record available.
Inventors
- 👤 Howard B Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:28
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/02; F23C2700/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US465746A
Cited
US2544299A
Cited
US715639A
Cited
US958789A
Cited
US1597662A
Cited
US2174818A
Cited
US2384836A
Cited
US2386746A
Cited
US2712352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |