US2653803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cooling and humidifying air
Assignee: Individual
•
Filing: 1951-04-30
•
Granted: 1953-09-29
•
Expires: 1971-04-30
Abstract
No abstract record available.
Inventors
- 👤 Rawlings R Baner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:03
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; F24F2221/00; F24F2221/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US933199A
Cited
US1041912A
Cited
US1129934A
Cited
US1524777A
Cited
US1604448A
Cited
US1808183A
Cited
US2173073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |