US2607282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air outlet device for ventilating systems
Assignee: Anemostat Corp of America
•
Filing: 1949-10-26
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Granted: 1952-08-19
•
Expires: 1969-10-26
Abstract
No abstract record available.
Inventors
- 👤 Alfred R Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:50
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)
FR682089A
Cited
GB365048A
Cited
US2125454A
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US2144631A
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US2199525A
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US2282587A
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US2269376A
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US2380553A
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US2365867A
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US2403291A
Cited
US2367104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |