Patent US3190366A successfully refreshed from Google Patents.
US4903584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deodorizing air vent attachment
Assignee: Individual
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Filing: 1988-11-21
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Granted: 1990-02-27
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Expires: 2008-11-21
Abstract
Abstract A deodorizer receiving device which is attachable to an air vent fitting. The device comprises a vent fitting mounting surface and a deodorant holding region supported by the mounting surface. The deodorant holding region is itself ventilated for air dispersal of the deodorant supported in the holding region.
Inventors
- 👤 Toni C. H. Styles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:43
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/12; F; F24; F24F; F24F3/00; F24F3/12; Y; Y10; Y10S; Y10S261/00; Y10S261/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
An in-building air vent set up comprising a vent opening, a damper plate at and movable to different angles for opening and closing said vent opening, and a deodorizer receiving device secured to and movable with said damper plate, said deodorizer device comprising a trough with an open side for receiving said deodorizer with said trough being ventilated for air dispersal of deodorant from the deodorizer, said deodorizer comprising a deodorant sheet rolled upon itself and fitted within said trough, said sheet having a memory urging said sheet to unroll whereby said sheet is frictionally engaged in said trough.
Claim 2
Dependent Claim
99 words
An in-building air vent set up comprising a vent opening, a damper plate at and movable to different angles for opening and closing said vent opening, and a deodorizer receiving device secured to and movable with said damper plate, said deodorizer device comprising a trough with an open side for receiving said deodorizer with said trough being ventilated for air dispersal of deodorant from the deodorizer, said deodorizer comprising a deodorant sheet rolled upon itself and fitted within said trough, said sheet having a memory urging said sheet to unroll whereby said sheet is frictionally engaged in said trough.
References Cited (Backward Citations)
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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) | 1993-02-26 | 1993-08-28 | 1994-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-26 | 1997-08-28 | 1998-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-26 | 2001-08-28 | 2002-02-27 | $7700.00 | Window Closed / Lapsed |