US2824575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioner attachment
Assignee: Milprint Inc
•
Filing: 1954-07-12
•
Granted: 1958-02-25
•
Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Rosen Shy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:06
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F1/04; F16; F16L; F16L37/00; F16L37/08; F16L37/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1525538A
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US1704971A
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US1786130A
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US1861296A
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US1966882A
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US1938229A
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US2094147A
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US2003732A
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US2124925A
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US2326439A
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US2352876A
Cited
US2637360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |