US3134348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curtain heading construction
Assignee: Individual
•
Filing: 1962-04-10
•
Granted: 1964-05-26
•
Expires: 1982-04-10
Abstract
No abstract record available.
Inventors
- 👤 Kalder Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:27
CPC Classifications
A; A47; A47H; A47H13/00; A47H13/14; A47H13/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A CURTAIN HEADING CONSTRUCTION, AN ASSEMBLY OF A SHEET OF CURTAIN MATERIAL AND A SUPPORTING SHEET OF RELATIVELY STIFF FLEXIBLE MATERIAL, SAID ASSEMBLY OF SHEETS HAVING A PINCH-PLEAT SECTION COMPRISING A PLURALITY OF SUCCESSIVE PINCH-PLEAT WALLS WITH FRONT AND REAR EDGES, STIFFENER MEANS EXTENDING VERTICALLY ALONG CERTAIN OF SAID WALLS AND HAVING EDGES ADJACENT AND DEFINING THE SAID FRONT EDGES OF SAID PINCH PLEAT WALLS, AND STITCHING MEANS OPERATIVELY SECURING TOGETHER SAID WALLS IN FOLDED PINCH-PLEAT CONFIGURATION, SAID STITCHING MEANS BEING OUTSIDE OF THE REGIONS OF SAID STIFFENER MEANS.
Claim 2
Dependent Claim
90 words
IN A CURTAIN HEADING CONSTRUCTION, AN ASSEMBLY OF A SHEET OF CURTAIN MATERIAL AND A SUPPORTING SHEET OF RELATIVELY STIFF FLEXIBLE MATERIAL, SAID ASSEMBLY OF SHEETS HAVING A PINCH-PLEAT SECTION COMPRISING A PLURALITY OF SUCCESSIVE PINCH-PLEAT WALLS WITH FRONT AND REAR EDGES, STIFFENER MEANS EXTENDING VERTICALLY ALONG CERTAIN OF SAID WALLS AND HAVING EDGES ADJACENT AND DEFINING THE SAID FRONT EDGES OF SAID PINCH PLEAT WALLS, AND STITCHING MEANS OPERATIVELY SECURING TOGETHER SAID WALLS IN FOLDED PINCH-PLEAT CONFIGURATION, SAID STITCHING MEANS BEING OUTSIDE OF THE REGIONS OF SAID STIFFENER MEANS.
References Cited (Backward Citations)
US1474190A
Cited
US2301047A
Cited
US2595549A
Cited
US2706295A
Cited
US2779404A
Cited
FR1203312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |