Patent US3568095A successfully refreshed from Google Patents.
US2932901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner i
Assignee: —
•
Filing: —
•
Granted: 1960-04-19
•
Expires: 1977-04-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:48
CPC Classifications
F; F26; F26B; F26B7/00; D; D01; D01F; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/32; D02; D02J; D02J1/00; D02J1/22; D02J13/00; D02J13/001; F27; F27B; F27B9/00; F27B9/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US92210A
Cited
US1261343A
Cited
US1543368A
Cited
US1726134A
Cited
US1773642A
Cited
US2077492A
Cited
US2339323A
Cited
US2364135A
Cited
US2343351A
Cited
US2514187A
Cited
US2532032A
Cited
US2668700A
Cited
US2666994A
Cited
US2706690A
Cited
US2671969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |