US3330202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air circulation control means
Assignee: Individual
•
Filing: 1966-03-31
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Granted: 1967-07-11
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Expires: 1986-03-31
Abstract
No abstract record available.
Inventors
- 👤 Colle Dominic Del
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:25
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/30; F24F11/70; F24F11/72; F24F11/79; F24F13/00; F24F13/02; F24F13/06; F24F13/075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN AIR FLOW CONTROL DEVICE COMPRISING A PLURALITY OF TRANSVERSELY SPACED LONGITUDINALLY EXTENDING VANES LOCATED IN THE PATH OF FLOW AIR, A PLURALITY OF TRANSVERSELY SPACED TRANSVERSELY EXTENDING BRACKETS SUPPORTED AT HINGE POINTS BETWEEN THE ENDS THEREOF FOR ROCKING ABOUT LONGITUDINAL AXES ECCENTRIC TO THE PLANES OF RESPECTIVE OF SAID VANES, A PARALLEL PAIR OF SAID VANES MOUNTED ON EACH OF SAID BRACKETS ON OPPOSITE SIDES OF A CORRESPONDING HINGE POINT, AND MEANS FOR VARYING THE ANGLES OF SAID VANES ABOUT SAID LONGITUDINAL AXES INCLUDING MEANS FOR VARYING THE ANGLE OF SAID BRACKETS ABOUT SAID LONGITUDINAL AXES.
Claim 2
Dependent Claim
97 words
AN AIR FLOW CONTROL DEVICE COMPRISING A PLURALITY OF TRANSVERSELY SPACED LONGITUDINALLY EXTENDING VANES LOCATED IN THE PATH OF FLOW AIR, A PLURALITY OF TRANSVERSELY SPACED TRANSVERSELY EXTENDING BRACKETS SUPPORTED AT HINGE POINTS BETWEEN THE ENDS THEREOF FOR ROCKING ABOUT LONGITUDINAL AXES ECCENTRIC TO THE PLANES OF RESPECTIVE OF SAID VANES, A PARALLEL PAIR OF SAID VANES MOUNTED ON EACH OF SAID BRACKETS ON OPPOSITE SIDES OF A CORRESPONDING HINGE POINT, AND MEANS FOR VARYING THE ANGLES OF SAID VANES ABOUT SAID LONGITUDINAL AXES INCLUDING MEANS FOR VARYING THE ANGLE OF SAID BRACKETS ABOUT SAID LONGITUDINAL AXES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |