US3299943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical louver blind apparatus
Assignee: Individual
•
Filing: 1964-07-23
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Granted: 1967-01-24
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Expires: 1984-07-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Poe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:55
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/36; E06B9/368; E06B9/362; E06B9/364; E06B9/367; Y; Y10; Y10S; Y10S160/00; Y10S160/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A VERTICAL LOUVER WINDOW BLIND, COMPRISING A PLURALITY OF ELONGATE AND PARALLEL LOUVERS EXTENDING VERTICALLY ACROSS THE WINDOW OPENING, EACH OF SAID LOUVERS HAVING A STIFF UPPER END PORTION WITH AN APERTURE THEREIN, AN ELONGATE FRAME MEMBER TO BE MOUNTED ACROSS THE UPPER PORTION OF THE WINDOW OPENING OPPOSITE THE UPPER ENDS OF SAID LOUVERS, A PLURALITY OF GEARS EACH HAVING A VERTICAL AXIS EXTENDING TO A RESPECTIVE LOUVER MEANS CONNECTING SAID GEARS TOGETHER AND REVOLVING SAID GEARS IN COORDINATED RELATION WITH EACH OTHER, MEANS CONNECTING SAID GEARS WITH THE UPPER ENDS OF SAID LOUVERS AND INCLUDING A PLURALITY OF PINS EACH EXTENDING TRANSVERSELY OF THE RESPECTIVE GEAR ROTATION AXIS AND THROUGH THE APERTURE IN THE STIFF UPPER END OF THE CORRESPONDING LOUVER, SAID PINS BEING RESILIENTLY DEFORMABLE TO BE READILY REMOVABLE FROM THE LOUVERS, THEREBY FACILITATING DEMOUNTING OF THE LOUVERS.
Claim 2
Dependent Claim
141 words
A VERTICAL LOUVER WINDOW BLIND, COMPRISING A PLURALITY OF ELONGATE AND PARALLEL LOUVERS EXTENDING VERTICALLY ACROSS THE WINDOW OPENING, EACH OF SAID LOUVERS HAVING A STIFF UPPER END PORTION WITH AN APERTURE THEREIN, AN ELONGATE FRAME MEMBER TO BE MOUNTED ACROSS THE UPPER PORTION OF THE WINDOW OPENING OPPOSITE THE UPPER ENDS OF SAID LOUVERS, A PLURALITY OF GEARS EACH HAVING A VERTICAL AXIS EXTENDING TO A RESPECTIVE LOUVER MEANS CONNECTING SAID GEARS TOGETHER AND REVOLVING SAID GEARS IN COORDINATED RELATION WITH EACH OTHER, MEANS CONNECTING SAID GEARS WITH THE UPPER ENDS OF SAID LOUVERS AND INCLUDING A PLURALITY OF PINS EACH EXTENDING TRANSVERSELY OF THE RESPECTIVE GEAR ROTATION AXIS AND THROUGH THE APERTURE IN THE STIFF UPPER END OF THE CORRESPONDING LOUVER, SAID PINS BEING RESILIENTLY DEFORMABLE TO BE READILY REMOVABLE FROM THE LOUVERS, THEREBY FACILITATING DEMOUNTING OF THE LOUVERS.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |