Patent US2564334A successfully refreshed from Google Patents.
US2564334A
Expired / Lapsed
US
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Air outlet
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1946-12-04
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Granted: 1951-08-14
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Expires: 1966-12-04
Abstract
No abstract record available.
Inventors
- 👤 Walter W Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:31
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2099452A
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US2102944A
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US2199525A
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US2282587A
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GB503594A
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US2240617A
Cited
US2229747A
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US2337280A
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US2380553A
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US2407284A
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US2396025A
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US2423241A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |