US3092708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air moistening apparatus
Assignee: Individual
•
Filing: 1960-04-11
•
Granted: 1963-06-04
•
Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Walther Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:05
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN ELECTRICALLY HEATED HUMIDIFIER COMPRISING A CONTAINER HAVING A WATER CHAMBER THEREIN AND AN UPPER RIM PORTION, A DETACHABLE PERFORATED COVER FOR THE CONTAINER MOUNTED ON THE UPPER RIM PORTION AND HAVING A CLAMPING SLEEVE MOUNTED THEREON, A CENTRAL HOLLOW CYLINDRICAL MEMBER EXTENDING INTO THE CLAMPING SLEEVE AND PROJECTING INTO THE CONTAINER, A PAIR OF DIAMETRICALLY OPPOSED RADIAL SUPPORTING RODS EXTENDING FROM THE RIM PORTION TO THE CYLINDRICAL MEMBER TO SUPPORT THE LATTER, AN ELECTRIC HEATING ELEMENT SECURED TO THE CYLINDRICAL MEMBER, AND A WICK SECURED TO THE HEATING ELEMENT AND SUSPENDED THEREFROM DOWN INTO THE WATER IN THE CHAMBER.
Claim 2
Dependent Claim
100 words
AN ELECTRICALLY HEATED HUMIDIFIER COMPRISING A CONTAINER HAVING A WATER CHAMBER THEREIN AND AN UPPER RIM PORTION, A DETACHABLE PERFORATED COVER FOR THE CONTAINER MOUNTED ON THE UPPER RIM PORTION AND HAVING A CLAMPING SLEEVE MOUNTED THEREON, A CENTRAL HOLLOW CYLINDRICAL MEMBER EXTENDING INTO THE CLAMPING SLEEVE AND PROJECTING INTO THE CONTAINER, A PAIR OF DIAMETRICALLY OPPOSED RADIAL SUPPORTING RODS EXTENDING FROM THE RIM PORTION TO THE CYLINDRICAL MEMBER TO SUPPORT THE LATTER, AN ELECTRIC HEATING ELEMENT SECURED TO THE CYLINDRICAL MEMBER, AND A WICK SECURED TO THE HEATING ELEMENT AND SUSPENDED THEREFROM DOWN INTO THE WATER IN THE CHAMBER.
References Cited (Backward Citations)
US1163657A
Cited
US1292657A
Cited
US2271829A
Cited
US2557042A
Cited
US2522718A
Cited
US2597195A
Cited
US2904258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |