US2844946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning device with reheat means
Assignee: Individual
•
Filing: 1955-03-16
•
Granted: 1958-07-29
•
Expires: 1975-03-16
Abstract
No abstract record available.
Inventors
- 👤 Donald A Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:04
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/153; F24F3/1405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1837798A
Cited
US2154136A
Cited
US2170072A
Cited
US2257975A
Cited
US2515842A
Cited
US2679142A
Cited
US2702456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |