US3174422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-flow control means
Assignee: L J WING Manufacturing CO DIVISION OF AM
•
Filing: 1963-02-05
•
Granted: 1965-03-23
•
Expires: 1983-02-05
Abstract
No abstract record available.
Inventors
- 👤 Edward J Banko
- 👤 Frank P Vultaggio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:39
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
APPARATUS FOR CONTROLLING THE DIRECTION OF FLOW OF AIR IN ACCORDANCE WITH THE TEMPERATURE OF SAID AIR, SAID APPARATUS COMPRISING AIR DIFFUSING MEANS HAVING A FRAME HAVING A TOP, A BOTTOM, A PAIR OF HORIZONTALLY SPACED VERTICAL SIDES AND A SERIES OF VERTICALLY SPACED VANES EXTENDING BETWEEN SAID SIDES AND SECURED AT THEIR RESPECTIVE ENDS TO THE ADJACENT SIDES OF SAID FRAME, TEMPERATURE RESPONSIVE MEANS MOUNTED ON ONE OF SAID VANES IN THE PATH OF FLOW OF SAID AIR AND HAVING A BELLOWS EXTENDABLE DIFFERENT AMOUNTS CORRESPONDING, RESPECTIVELY, TO DIFFERENT INCREASES OF THE TEMPERATURE OF SAID AIR, SAID TEMPERATURE RESPONSIVE MEANS INCLUDING A PART OPERATIVELY CONNECTED TO SAID BELLOWS AND MOVABLE IN ACCORDANCE WITH THE MOVEMENT OF SAID BELLOWS, A HORIZONTAL SHAFT POSITIONED BETWEEN SAID TOP AND BOTTOM OF SAID FRAME AND EXTENDING BETWEEN AND THROUGH SAID SIDES THEREOF FOR SUPPORTING SAID FRAME FOR PIVOTAL MOVEMENT IN THE PATH OF FLOW OF SAID AIR, THE ENDS OF SAID SHAFT BEING ADAPTED TO BE
Claim 2
Dependent Claim
163 words
APPARATUS FOR CONTROLLING THE DIRECTION OF FLOW OF AIR IN ACCORDANCE WITH THE TEMPERATURE OF SAID AIR, SAID APPARATUS COMPRISING AIR DIFFUSING MEANS HAVING A FRAME HAVING A TOP, A BOTTOM, A PAIR OF HORIZONTALLY SPACED VERTICAL SIDES AND A SERIES OF VERTICALLY SPACED VANES EXTENDING BETWEEN SAID SIDES AND SECURED AT THEIR RESPECTIVE ENDS TO THE ADJACENT SIDES OF SAID FRAME, TEMPERATURE RESPONSIVE MEANS MOUNTED ON ONE OF SAID VANES IN THE PATH OF FLOW OF SAID AIR AND HAVING A BELLOWS EXTENDABLE DIFFERENT AMOUNTS CORRESPONDING, RESPECTIVELY, TO DIFFERENT INCREASES OF THE TEMPERATURE OF SAID AIR, SAID TEMPERATURE RESPONSIVE MEANS INCLUDING A PART OPERATIVELY CONNECTED TO SAID BELLOWS AND MOVABLE IN ACCORDANCE WITH THE MOVEMENT OF SAID BELLOWS, A HORIZONTAL SHAFT POSITIONED BETWEEN SAID TOP AND BOTTOM OF SAID FRAME AND EXTENDING BETWEEN AND THROUGH SAID SIDES THEREOF FOR SUPPORTING SAID FRAME FOR PIVOTAL MOVEMENT IN THE PATH OF FLOW OF SAID AIR, THE ENDS OF SAID SHAFT BEING ADAPTED TO BE
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |