US3044537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner construction
Assignee: Eclipse Fuel Engineering Co
•
Filing: 1958-12-11
•
Granted: 1962-07-17
•
Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 James P Keating
- 👤 John A Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:51
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/20; F23D14/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US622482A
Cited
US1342901A
Cited
US1535491A
Cited
US1643889A
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US2034932A
Cited
US2113426A
Cited
US2433610A
Cited
US2823740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |