US2783756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
crozier
Assignee: —
•
Filing: —
•
Granted: 1957-03-05
•
Expires: 1974-03-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:58
CPC Classifications
F; F23; F23L; F23L11/00; F23L13/00; F23L13/02; F23J; F23J11/00; F23J13/00; F23J13/08; F23L3/00; F23J2213/00; F23J2213/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US61095A
Cited
US254171A
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US299172A
Cited
US591317A
Cited
US2011103A
Cited
US773723A
Cited
US1677171A
Cited
US2009568A
Cited
US2441398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |