US3223019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lineal air diffuser
Assignee: Kaiser Gypsum Co Inc
•
Filing: 1963-08-19
•
Granted: 1965-12-14
•
Expires: 1983-08-19
Abstract
No abstract record available.
Inventors
- 👤 Francis R Schuh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:27
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/072; E; E04; E04B; E04B9/00; E04B9/02; E04B2009/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN AIR DISTRIBUTION SYSTEM WHEREIN BOTH THE VOLUME AND DIRECTION OF AIR FLOW MAY BE SELECTIVELY VARIED, AND SYSTEM COMPRISING AN AIR SUPPLYING DUCT WHICH INCLUDES OPPOSITE DISPOSED ELONGATED SIDE WALLS WHOSE LOWER PORTIONS ARE OUTWARDLY CURVED AND TERMINATE IN AN UPWARDLY DIRECTED FLANGE AND A BOTTOM AIR DIFFUSER WALL JOINED TO SAID SIDE WALLS PROXIMATE WHERE SAID LOWER CURVED PORTIONS COMMENCE; AN AIR DEFLECTOR MEMBER DISPOSED ADJACENT SAID DIFFUSER WALL, SAID DEFLECTOR MEMBER BEING SOMEWHAT NARROWER THAN SAID DIFFUSION WALL AND HAVING A SUBSTANTILLAY PLANAR BOTTOM SURFACE ALIGNED WITH THE BOTTOM EDGES OF SAID SIDE WALLS AND A TAPERED UPPER SURFACE; AND A DAMPER CONTROL PLATE SLIDABLY ENGAGED ON SAID DIFFUSER WALL,
Claim 2
Dependent Claim
113 words
AN AIR DISTRIBUTION SYSTEM WHEREIN BOTH THE VOLUME AND DIRECTION OF AIR FLOW MAY BE SELECTIVELY VARIED, AND SYSTEM COMPRISING AN AIR SUPPLYING DUCT WHICH INCLUDES OPPOSITE DISPOSED ELONGATED SIDE WALLS WHOSE LOWER PORTIONS ARE OUTWARDLY CURVED AND TERMINATE IN AN UPWARDLY DIRECTED FLANGE AND A BOTTOM AIR DIFFUSER WALL JOINED TO SAID SIDE WALLS PROXIMATE WHERE SAID LOWER CURVED PORTIONS COMMENCE; AN AIR DEFLECTOR MEMBER DISPOSED ADJACENT SAID DIFFUSER WALL, SAID DEFLECTOR MEMBER BEING SOMEWHAT NARROWER THAN SAID DIFFUSION WALL AND HAVING A SUBSTANTILLAY PLANAR BOTTOM SURFACE ALIGNED WITH THE BOTTOM EDGES OF SAID SIDE WALLS AND A TAPERED UPPER SURFACE; AND A DAMPER CONTROL PLATE SLIDABLY ENGAGED ON SAID DIFFUSER WALL,
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |