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US3136358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor drawn curtain
Assignee: Individual
•
Filing: 1963-07-05
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Granted: 1964-06-09
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 Mads P Madsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:37
CPC Classifications
A; A47; A47H; A47H5/00; A47H5/02; A47H5/032; A47H5/0325; A63; A63J; A63J1/00; A63J1/02; A63J1/028; A63J2001/024; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/1812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A MOTOR DRAWN CURTAIN COMPRISING, IN COMBINATION, A CURTAIN SUPPORTING TRACK HAVING A TOP WALL, SIDE WALLS, AND INWARDLY EXTENDING BOTTOM WALLS, TRANSVERSELY CORRUGATED RUBBER STRIPS GLUED BELOW SAID BOTTOM WALLS, CURTAIN SUPPORTING ELEMENTS HAVING WHEELS ROLLING ON SAID BOTTOM WALLS AND HAVING A SUPPORT MEMBER SUPPORTED BY SAID WHEELS HANGING BELOW SAID BOTTOM WALLS, A CURTAIN HAVING AN UPPER EDGE FIXED TO SAID SUPPORT MEMBERS, A PLATE, AT LEAST ONE FLANGE EXTENDING UPWARD FROM SAID PLATE BETWEEN SAID BOTTOM WALLS OF SAID TRACK, WHEELS ROTATABLY MOUNTED ON SAID AT LEAST ONE FLANGE ROLLING ON SAID BOTTOM WALLS, A REVERSIBLE ELECTRIC MOTOR, A TRANSVERSE SHAFT EXTENDING FROM AND DRIVEN BY SAID MOTOR, MEANS PIVOTALLY SECURING SAID MOTOR TO SAID PLATE WITH THE WEIGHT OF SAID MOTOR URGING SAID SHAFT UPWARDS, A TRACTION DRUM ON SAID TRANSVERSE SHAFT, SAID DRUM HAVING A TRANSVERSELY CORRUGATED RUBBER COVER ENGAGING SAID STRIPS, AND A BRACKET EXTENDING FROM SAID PLATE, SAID CURTAIN HAVING A LEADING EDGE ATTACHED TO SAID BRACKET.
Claim 2
Dependent Claim
165 words
A MOTOR DRAWN CURTAIN COMPRISING, IN COMBINATION, A CURTAIN SUPPORTING TRACK HAVING A TOP WALL, SIDE WALLS, AND INWARDLY EXTENDING BOTTOM WALLS, TRANSVERSELY CORRUGATED RUBBER STRIPS GLUED BELOW SAID BOTTOM WALLS, CURTAIN SUPPORTING ELEMENTS HAVING WHEELS ROLLING ON SAID BOTTOM WALLS AND HAVING A SUPPORT MEMBER SUPPORTED BY SAID WHEELS HANGING BELOW SAID BOTTOM WALLS, A CURTAIN HAVING AN UPPER EDGE FIXED TO SAID SUPPORT MEMBERS, A PLATE, AT LEAST ONE FLANGE EXTENDING UPWARD FROM SAID PLATE BETWEEN SAID BOTTOM WALLS OF SAID TRACK, WHEELS ROTATABLY MOUNTED ON SAID AT LEAST ONE FLANGE ROLLING ON SAID BOTTOM WALLS, A REVERSIBLE ELECTRIC MOTOR, A TRANSVERSE SHAFT EXTENDING FROM AND DRIVEN BY SAID MOTOR, MEANS PIVOTALLY SECURING SAID MOTOR TO SAID PLATE WITH THE WEIGHT OF SAID MOTOR URGING SAID SHAFT UPWARDS, A TRACTION DRUM ON SAID TRANSVERSE SHAFT, SAID DRUM HAVING A TRANSVERSELY CORRUGATED RUBBER COVER ENGAGING SAID STRIPS, AND A BRACKET EXTENDING FROM SAID PLATE, SAID CURTAIN HAVING A LEADING EDGE ATTACHED TO SAID BRACKET.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |