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US2862436A
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Ventilating hood kit
Assignee: Individual
•
Filing: 1956-02-24
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Granted: 1958-12-02
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Expires: 1976-02-24
Abstract
No abstract record available.
Inventors
- 👤 John A Atwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:24
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US603386A
Cited
US1016259A
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US1177080A
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US1338378A
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US1885016A
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US2077496A
Cited
US2647657A
Cited
US2750867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |