Patent US3608220A successfully refreshed from Google Patents.
Patent US2445302A successfully refreshed from Google Patents.
US2445302A
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US
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Apparatus for burning liquid fuel
Assignee: Individual
•
Filing: 1943-12-24
•
Granted: 1948-07-13
•
Expires: 1963-12-24
Abstract
No abstract record available.
Inventors
- 👤 Clarkson Alick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:25
CPC Classifications
F; F23; F23D; F23D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US414933A
Cited
US418744A
Cited
US1310927A
Cited
US659668A
Cited
US738511A
Cited
US904243A
Cited
US993687A
Cited
US1081015A
Cited
US1112051A
Cited
US1019640A
Cited
US1365255A
Cited
US1706416A
Cited
US1609457A
Cited
US1531819A
Cited
US1839512A
Cited
US1996413A
Cited
US2043991A
Cited
US2060364A
Cited
US2047871A
Cited
US2162432A
Cited
US2164225A
Cited
US2198485A
Cited
US2284157A
Cited
US2194599A
Cited
US2206553A
Cited
US2335918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |