US2610682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for fluid fuel burners
Assignee: Robertshaw Controls Co
•
Filing: 1950-11-15
•
Granted: 1952-09-16
•
Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Weber Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:53
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N1/00; F23Q; F23Q9/00; F23Q9/08; F23Q9/12; 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)
US2055384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |