Patent EP0493473B1 successfully refreshed from Google Patents.
Patent US3214015A successfully refreshed from Google Patents.
Patent EP0021818A1 successfully refreshed from Google Patents.
Patent US3419150A successfully refreshed from Google Patents.
Patent US1653018A successfully refreshed from Google Patents.
US1653018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-fuel burner
Assignee: Individual
•
Filing: 1926-04-06
•
Granted: 1927-12-20
•
Expires: 1946-04-06
Abstract
No abstract record available.
Inventors
- 👤 Clyde W Mummery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:22
CPC Classifications
F; F23; F23D; F23D3/00; F23D2900/00; F23D2900/31016
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-12-19 | 1931-06-20 | 1931-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-12-19 | 1935-06-20 | 1935-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-12-19 | 1939-06-20 | 1939-12-20 | $7700.00 | Window Closed / Lapsed |