US3084738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drapery heading seam
Assignee: Plastic Products Inc
•
Filing: 1960-11-28
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Granted: 1963-04-09
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Expires: 1980-11-28
Abstract
No abstract record available.
Inventors
- 👤 Truesdale Cavour Langdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
A; A47; A47H; A47H13/00; A47H13/14; A47H13/16; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24752; Y10T428/2476
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A DRAPERY COMPRISING A MAIN PANEL OF PLASTIC MATERIAL, A REINFORCING MEMBER, AND A STRIP OF VINYL PLASTIC, SAID REINFORCING MEMBER AND STRIP BEING HEAT SEALED TOGETHER ALONG VERTICAL LINES, SAID VERTICAL LINES OF SEALING BEING SPACED FROM EACH OTHER, SAID REINFORCING MEMBER BEING OF RELATIVELY STIFF MATERIAL IMPREGNATED WITH PLASTIC MATERIAL WHEREBY THE STRIP MAY BE HEAT SEALED TO THE REINFORCING MEMBER, SAID STRIP BEING HEAT SEALED TO SAID MAIN PANEL FOR RETAINING THE COMPONENTS ASSEMBLED.
Claim 2
Dependent Claim
77 words
A DRAPERY COMPRISING A MAIN PANEL OF PLASTIC MATERIAL, A REINFORCING MEMBER, AND A STRIP OF VINYL PLASTIC, SAID REINFORCING MEMBER AND STRIP BEING HEAT SEALED TOGETHER ALONG VERTICAL LINES, SAID VERTICAL LINES OF SEALING BEING SPACED FROM EACH OTHER, SAID REINFORCING MEMBER BEING OF RELATIVELY STIFF MATERIAL IMPREGNATED WITH PLASTIC MATERIAL WHEREBY THE STRIP MAY BE HEAT SEALED TO THE REINFORCING MEMBER, SAID STRIP BEING HEAT SEALED TO SAID MAIN PANEL FOR RETAINING THE COMPONENTS ASSEMBLED.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |