Patent US2483740A successfully refreshed from Google Patents.
US2483740A
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US
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Range oil burner apparatus
Assignee: Individual
•
Filing: 1947-09-02
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Granted: 1949-10-04
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Expires: 1967-09-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Routen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:50
CPC Classifications
E; E03; E03F; E03F1/00; E03F1/006; E03F1/007; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3109; Y10T137/7287; Y10T137/7498; Y10T137/7501
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1966829A
Cited
GB190608350A
Cited
US1254596A
Cited
US1872419A
Cited
US2018853A
Cited
US2000354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |