Patent US2860694A successfully refreshed from Google Patents.
US2860694A
Expired / Lapsed
US
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Burner for liquid hydrocarbons
Assignee: US Philips Corp
•
Filing: 1952-09-25
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Granted: 1958-11-18
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Expires: 1972-09-25
Abstract
No abstract record available.
Inventors
- 👤 Edens Arie Harm
- 👤 Geeven Gomarus Maria Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:05
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/02; F23C2700/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US427946A
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US451784A
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US662319A
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US880313A
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FR577032A
Cited
US1618392A
Cited
US1658582A
Cited
US1934837A
Cited
US2398654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |