US2962091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible gas burner
Assignee: Flexonics Corp
•
Filing: 1954-08-09
•
Granted: 1960-11-29
•
Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Richard H Sabel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:59
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/02; F23D14/04; F23D14/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB338124A
Cited
US523303A
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US1405386A
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US1506550A
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US1686604A
Cited
GB498385A
Cited
DE899885C
Cited
GB645007A
Cited
US2682148A
Cited
US2737233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |