US3112686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air screen producing mechanism
Assignee: Individual
•
Filing: 1961-09-27
•
Granted: 1963-12-03
•
Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:55
CPC Classifications
F; F24; F24F; F24F9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN APPARATUS FOR PRODUCING A VARIABLE THICKNESS AIR SCREEN COMPRISING; AN ELONGATED PANEL MEMBER HAVING A DOWNWARDLY EXTENDING END WALL AT EACH END THEREOF; SAID PANEL MEMBER HAVING AT LEAST ONE OPENING THEREIN; AN AIR BLOWER MEANS MOUNTED ON SAID PANEL MEMBER AND COMMUNICATING WITH SAID OPENING TO DELIVER AIR THERETHROUGH; A PAIR OF ELONGATED, SPACED APART LOUVER MEMBERS SPANNING THE END WALLS AND ROCKABLY SUPPORTED THEREBY; SAID END WALLS FORMING A CLOSURE FOR THE ENDS OF THE LOUVER MEMBERS; SAID PANEL MEMBER AND END WALLS FORMING A HEADER HAVING AN OPENING THROUGH WHICH AIR MAY BE DISCHARGED, MEANS CONNECTED WITH EACH OF SAID LOUVER MEMBERS FOR ROCKING THE SAID LOUVERS RELATIVELY TO ONE ANOTHER FOR VARYING THE SIZE OF THE BOTTOM OPENING, AND MEANS ON AT LEAST ONE OF SAID END WALLS FOR SECURING SAID LOUVERS IN ADJUSTED POSITION.
Claim 2
Independent Claim
140 words
AN APPARATUS FOR PRODUCING A VARIABLE THICKNESS AIR SCREEN COMPRISING; AN ELONGATED PANEL MEMBER HAVING A DOWNWARDLY EXTENDING END WALL AT EACH END THEREOF; SAID PANEL MEMBER HAVING AT LEAST ONE OPENING THEREIN; AN AIR BLOWER MEANS MOUNTED ON SAID PANEL MEMBER AND COMMUNICATING WITH SAID OPENING TO DELIVER AIR THERETHROUGH; A PAIR OF ELONGATED, SPACED APART LOUVER MEMBERS SPANNING THE END WALLS AND ROCKABLY SUPPORTED THEREBY; SAID END WALLS FORMING A CLOSURE FOR THE ENDS OF THE LOUVER MEMBERS; SAID PANEL MEMBER AND END WALLS FORMING A HEADER HAVING AN OPENING THROUGH WHICH AIR MAY BE DISCHARGED, MEANS CONNECTED WITH EACH OF SAID LOUVER MEMBERS FOR ROCKING THE SAID LOUVERS RELATIVELY TO ONE ANOTHER FOR VARYING THE SIZE OF THE BOTTOM OPENING, AND MEANS ON AT LEAST ONE OF SAID END WALLS FOR SECURING SAID LOUVERS IN ADJUSTED POSITION.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |