Patent US3051073A successfully refreshed from Google Patents.
US3051073A
Expired / Lapsed
US
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Air distribution outlet
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1961-05-15
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Granted: 1962-08-28
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Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Walter W Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:02
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/0088; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/078; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2985090A
Cited
US3004142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |