Patent US1793011A successfully refreshed from Google Patents.
US1793011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic oil-burner-control system
Assignee: Individual
•
Filing: 1929-04-17
•
Granted: 1931-02-17
•
Expires: 1949-04-17
Abstract
No abstract record available.
Inventors
- 👤 William A Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:48
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-02-16 | 1934-08-18 | 1935-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-02-16 | 1938-08-18 | 1939-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-02-16 | 1942-08-18 | 1943-02-17 | $7700.00 | Window Closed / Lapsed |