US2932360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating air
Assignee: Carrier Corp
•
Filing: 1956-04-02
•
Granted: 1960-04-12
•
Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Hungate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:28
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/04; B01D45/08; B01D45/10; F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F6/00; F24F6/02; F24F6/06; F24F8/00; F24F8/10; F24F8/117; F24F8/133; F24F6/12; F24F6/14; F24F2006/146
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1316745A
Cited
US130113A
Cited
US565604A
Cited
US602868A
Cited
US22814A
Cited
GB190118342A
Cited
US815812A
Cited
US1038270A
Cited
GB157287A
Cited
US1511834A
Cited
US1833674A
Cited
US2213881A
Cited
US2273341A
Cited
US2763982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |