Patent US2643915A successfully refreshed from Google Patents.
US2643915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner nozzle
Assignee: Individual
•
Filing: 1951-06-27
•
Granted: 1953-06-30
•
Expires: 1971-06-27
Abstract
No abstract record available.
Inventors
- 👤 Pieroni Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:54
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/38; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7936
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US269978A
Cited
US1791012A
Cited
US1146557A
Cited
US2120611A
Cited
US2107601A
Cited
US2590772A
Cited
US2569033A
Cited
US2572606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |