Patent US3018088A successfully refreshed from Google Patents.
US3018088A
Expired / Lapsed
US
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Room unit for air conditioning
Assignee: Svenska Flaktfabriken AB
•
Filing: 1960-01-20
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Granted: 1962-01-23
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Expires: 1980-01-20
Abstract
No abstract record available.
Inventors
- 👤 Allander Claes
- 👤 Larkfeldt Birger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:09
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/01; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/76; F24F11/80; F24F11/81; F24F11/89
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1753157A
Cited
US1849061A
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US2144466A
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US2238689A
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US2287267A
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US2567758A
Cited
US2501795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |