US2707989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner for liquid
Assignee: Individual
•
Filing: 1953-08-24
•
Granted: 1955-05-10
•
Expires: 1973-08-24
Abstract
No abstract record available.
Inventors
- 👤 Schori Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:21
CPC Classifications
F; F23; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/20; F23D; F23D11/00; F23D11/36; F23D11/44; F23D11/441; F23D11/443; F23D11/445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US431237A
Cited
US458390A
Cited
DE336948C
Cited
US1592120A
Cited
US2621477A
Cited
GB671555A
Cited
US2647567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |