US2423809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition means for liquid fuel burners
Assignee: Miller Co
•
Filing: 1942-03-21
•
Granted: 1947-07-08
•
Expires: 1962-03-21
Abstract
No abstract record available.
Inventors
- 👤 Lancey Ralph W De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:31
CPC Classifications
F; F24; F24C; F24C5/00; F24C5/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2052514A
Cited
US2240379A
Cited
US1888694A
Cited
US1994720A
Cited
US2025074A
Cited
US2309319A
Cited
US1357182A
Cited
US1427059A
Cited
US1505746A
Cited
US1718681A
Cited
US1928688A
Cited
US2065265A
Cited
US2107800A
Cited
US2113870A
Cited
US2204450A
Cited
US2162572A
Cited
US2168859A
Cited
US2194081A
Cited
US2311601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-07 | 1951-01-06 | 1951-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-07 | 1955-01-06 | 1955-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-07 | 1959-01-06 | 1959-07-08 | $7700.00 | Window Closed / Lapsed |