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US2719476A
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Assignee: CHAR GALE Manufacturing Co
•
Filing: 1952-03-12
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Granted: 1955-10-04
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Expires: 1972-03-12
Abstract
No abstract record available.
Inventors
- 👤 Nick J Dovolis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:50
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US184955A
Cited
US854595A
Cited
GB360727A
Cited
FR732524A
Cited
US2125454A
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US2355294A
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US2365867A
Cited
US2369119A
Cited
US2555978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |