Patent EP0284286A2 successfully refreshed from Google Patents.
Patent US2480286A successfully refreshed from Google Patents.
Patent US2614618A successfully refreshed from Google Patents.
US2614618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air and fuel supply means for liquid fuel burners of the bowl type
Assignee: Perfection Stove Co
•
Filing: 1948-09-21
•
Granted: 1952-10-21
•
Expires: 1968-09-21
Abstract
No abstract record available.
Inventors
- 👤 Lee S Chadwick
- 👤 Evans W Cheeseman
- 👤 Arthur R Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:45
CPC Classifications
F; F23; F23D; F23D5/00; F23D5/02; F23D5/04; F23D5/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1566489A
Cited
US2309319A
Cited
US956695A
Cited
US1531819A
Cited
US1654403A
Cited
US1835297A
Cited
US1889843A
Cited
US1933044A
Cited
FR784467A
Cited
US2218154A
Cited
US2247239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |