US2593884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner nozzle
Assignee: ZF International UK Ltd
•
Filing: 1948-07-30
•
Granted: 1952-04-22
•
Expires: 1968-07-30
Abstract
No abstract record available.
Inventors
- 👤 Ifield Richard Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:44
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1568427A
Cited
US1893457A
Cited
US1878749A
Cited
US1873781A
Cited
US1970138A
Cited
GB419949A
Cited
US2267451A
Cited
US2254123A
Cited
US2373707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |