US2516722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel burner of the retort class
Assignee: Perfection Stove Co
•
Filing: 1944-12-16
•
Granted: 1950-07-25
•
Expires: 1964-12-16
Abstract
No abstract record available.
Inventors
- 👤 Resek Marc
- 👤 Kiefer Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:25
CPC Classifications
F; F23; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE22332E
Cited
US511694A
Cited
US1329052A
Cited
US1234326A
Cited
US1236416A
Cited
US1283109A
Cited
US1337498A
Cited
US1412325A
Cited
US1505745A
Cited
US1640240A
Cited
US2053236A
Cited
US2355418A
Cited
US2393411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |