Patent US3351225A successfully refreshed from Google Patents.
US2309224A
Expired / Lapsed
US
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Self-contained air conditioner
Assignee: MATSON C TERRY
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Filing: 1940-01-11
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Granted: 1943-01-26
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Expires: 1960-01-11
Abstract
No abstract record available.
Inventors
- 👤 Matson C Terry
- 👤 Komroff Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:55
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F1/028; F24F1/0284; F24F1/03; F24F1/031; F24F1/0328; F24F1/0358
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-01-25 | 1946-07-27 | 1947-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-25 | 1950-07-27 | 1951-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-25 | 1954-07-27 | 1955-01-26 | $7700.00 | Window Closed / Lapsed |