US3302550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air distributor
Assignee: Individual
•
Filing: 1964-12-31
•
Granted: 1967-02-07
•
Expires: 1984-12-31
Abstract
No abstract record available.
Inventors
- 👤 Quentin R Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:48
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/12; F24F13/02; F24F13/06; F24F13/072; E; E04; E04B; E04B9/00; E04B9/02; E04B2009/026; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN AIR DISTRIBUTOR HAVING IN COMBINATION, PARALLEL WALLS LATERALLY SPACED APART AND DEFINING THE SIDES OF AN ELONGATED PASSAGE ADAPTED FOR THE FLOW OF AIR THROUGH SAID PASSAGE, EACH OF SAID PARALLEL WALLS HAVING AN INWARDLPY DIRECTED WALL THE INNER EDGES OF WHICH ARE SPACED APART TO FORM A SLOT FOR THE PASSAGE OF AIR THERETHROUGH, AN INTERMEDIATE WALL HELD IN SPACED RELATIONSHIP TO SAID PARALLEL WALLS AND TERMINATING ABOVE SAID INWARDLY DIRECTED WALLS, SAID INTERMEDIATE WALL FORMING A SUPPORT FOR A PAIR OF INDIVIDUALLY, VERTICALLY SLIDABLE VANE MEMBERS, AND MEANS FOR SUPPORTING SAID VANE MEMBERS IN VERTICALLY ADJUSTED POSITIONS, SAID VANE MEMBERS ADAPTED TO BEAR AGAINST SAID INWARDLY DIRECTED WALLS WHEN IN FULLY LOWERED POSITION TO PREVENT FLOW OF AIR THROUGH SAID SLOT.
Claim 2
Dependent Claim
124 words
AN AIR DISTRIBUTOR HAVING IN COMBINATION, PARALLEL WALLS LATERALLY SPACED APART AND DEFINING THE SIDES OF AN ELONGATED PASSAGE ADAPTED FOR THE FLOW OF AIR THROUGH SAID PASSAGE, EACH OF SAID PARALLEL WALLS HAVING AN INWARDLPY DIRECTED WALL THE INNER EDGES OF WHICH ARE SPACED APART TO FORM A SLOT FOR THE PASSAGE OF AIR THERETHROUGH, AN INTERMEDIATE WALL HELD IN SPACED RELATIONSHIP TO SAID PARALLEL WALLS AND TERMINATING ABOVE SAID INWARDLY DIRECTED WALLS, SAID INTERMEDIATE WALL FORMING A SUPPORT FOR A PAIR OF INDIVIDUALLY, VERTICALLY SLIDABLE VANE MEMBERS, AND MEANS FOR SUPPORTING SAID VANE MEMBERS IN VERTICALLY ADJUSTED POSITIONS, SAID VANE MEMBERS ADAPTED TO BEAR AGAINST SAID INWARDLY DIRECTED WALLS WHEN IN FULLY LOWERED POSITION TO PREVENT FLOW OF AIR THROUGH SAID SLOT.
References Cited (Backward Citations)
US3126811A
Cited
US3250205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |