Patent US2811022A successfully refreshed from Google Patents.
US2811022A
Expired / Lapsed
US
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Room air conditioner
Assignee: Goodman Co LP
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Filing: 1953-11-13
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Granted: 1957-10-29
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Expires: 1973-11-13
Abstract
No abstract record available.
Inventors
- 👤 Harold F Lathrop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:23
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/62; F24F11/63; F24F11/65; F24F11/67; F24F1/00; F24F1/02; F24F1/03; F24F1/031; F24F1/0328; F24F1/035; F24F1/0358; F24F1/0373; F24F1/0375
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2235642A
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US2262261A
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US2324620A
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US2343121A
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US2343122A
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US2408973A
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US2408972A
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US2472792A
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US2451366A
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US2488589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |