Patent US1726115A successfully refreshed from Google Patents.
Patent US2300073A successfully refreshed from Google Patents.
Patent US2456170A successfully refreshed from Google Patents.
US2456170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel burner control
Assignee: Individual
•
Filing: 1942-10-22
•
Granted: 1948-12-14
•
Expires: 1962-10-22
Abstract
No abstract record available.
Inventors
- 👤 Ashley C Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:28
CPC Classifications
F; F23; F23D; F23D5/00; F23D5/12; F23D5/14; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7303; Y10T137/7329
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE21286E
Cited
US1107748A
Cited
US1410909A
Cited
US1469346A
Cited
US1556817A
Cited
US1550047A
Cited
US1600568A
Cited
US1821769A
Cited
US1760007A
Cited
US1820774A
Cited
US1782049A
Cited
US1858557A
Cited
US2068138A
Cited
US2129937A
Cited
US2236559A
Cited
US2187045A
Cited
US2183815A
Cited
US2244088A
Cited
US2199538A
Cited
US2247679A
Cited
US2267187A
Cited
US2329292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |