US2586023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated range
Assignee: CRIBBEN AND SEXTON Co
•
Filing: 1947-07-19
•
Granted: 1952-02-19
•
Expires: 1967-07-19
Abstract
No abstract record available.
Inventors
- 👤 Benjamin A Gillette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:02
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; F24C15/2007; F24C15/001; F24C15/2042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1802617A
Cited
DE537140C
Cited
US1969565A
Cited
US2081640A
Cited
US2182106A
Cited
US2350293A
Cited
US2376571A
Cited
US2482952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |