US3209744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray-type humidifier
Assignee: Cascade Humidifiers Inc
•
Filing: 1962-10-04
•
Granted: 1965-10-05
•
Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Russell W Ayres
- 👤 Jr George A Van Doren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:36
CPC Classifications
F; F24; F24D; F24D5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A HUMIDIFIER APPARATUS INCLUDING, A SERIES OF SUPERIMPOSED TRAYS, MEANS SUPPORTING SAID TRAYS IN VERTICALLY SPACED RELATION, EACH SAID TRAY INCLUDING A BOTTOM PANEL, ENCIRCLING UPWARDLY AND OUTWARDLY INCLINED WALLS, AND A PERIPHERAL PLANAR FLANGE, THE BOTTOM OF EACH TRAY ABOVE THE LOWERMOST TRAY BEING IN A PLANE CLOSELY ADJACENT TO THE PLANE OF THE PLANAR FLANGE OF THE TRAY NEXT BELOW, THE BOTTOM PANEL OF EACH TRAY INCLUDING AN UPWARDLY EXTENDING SLEEVE DEFINING AN OUTLET NEARER ONE END OF THE PANEL THAN THE OTHER, THE OUTLETS OF ALTERNATE TRAYS BEING STAGGERED WITH RESPECT TO THE OTHERS, THE SLEEVES TERMINATING AT A LEVEL SUBSTANTIALLY BELOW THE LEVEL OF SAID FLANGE, THE UPPER ENDS OF SAID SLEEVES INCLUDING AN INWARDLY EXTENDING RING SHAPED FLANGE TERMINATING IN A DOWNWARDLY TURNED FLANGE ENDING SUBSTANTIALLY ON THE PLANE OF THE BOTTOM PANEL OF THE TRAY,
Claim 2
Dependent Claim
141 words
A HUMIDIFIER APPARATUS INCLUDING, A SERIES OF SUPERIMPOSED TRAYS, MEANS SUPPORTING SAID TRAYS IN VERTICALLY SPACED RELATION, EACH SAID TRAY INCLUDING A BOTTOM PANEL, ENCIRCLING UPWARDLY AND OUTWARDLY INCLINED WALLS, AND A PERIPHERAL PLANAR FLANGE, THE BOTTOM OF EACH TRAY ABOVE THE LOWERMOST TRAY BEING IN A PLANE CLOSELY ADJACENT TO THE PLANE OF THE PLANAR FLANGE OF THE TRAY NEXT BELOW, THE BOTTOM PANEL OF EACH TRAY INCLUDING AN UPWARDLY EXTENDING SLEEVE DEFINING AN OUTLET NEARER ONE END OF THE PANEL THAN THE OTHER, THE OUTLETS OF ALTERNATE TRAYS BEING STAGGERED WITH RESPECT TO THE OTHERS, THE SLEEVES TERMINATING AT A LEVEL SUBSTANTIALLY BELOW THE LEVEL OF SAID FLANGE, THE UPPER ENDS OF SAID SLEEVES INCLUDING AN INWARDLY EXTENDING RING SHAPED FLANGE TERMINATING IN A DOWNWARDLY TURNED FLANGE ENDING SUBSTANTIALLY ON THE PLANE OF THE BOTTOM PANEL OF THE TRAY,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |