US2519086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window mounted air-conditioning
Assignee: —
•
Filing: —
•
Granted: 1950-08-15
•
Expires: 1967-08-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:37
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F1/022; F24F1/027; F24F1/04; F24F13/00; F24F13/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US337225A
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US698762A
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US1706852A
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US1665991A
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US1698328A
Cited
US1854569A
Cited
US2029610A
Cited
US2011419A
Cited
US2081106A
Cited
US2316640A
Cited
US2294664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |