Patent US2558658A successfully refreshed from Google Patents.
US2558658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner safety control
Assignee: Missouri Automatic Control Corp
•
Filing: 1945-10-31
•
Granted: 1951-06-26
•
Expires: 1965-10-31
Abstract
No abstract record available.
Inventors
- 👤 Charles E Markham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:02
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/04; F23N2239/00; F23N2239/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US850311A
Cited
US882340A
Cited
US1275766A
Cited
US1877248A
Cited
US1876281A
Cited
US1950022A
Cited
US2018340A
Cited
US2030941A
Cited
US2269443A
Cited
US2242183A
Cited
US2408047A
Cited
US2346308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |