US3684564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealable elements
Assignee: Rhodiaceta SA
•
Filing: 1970-09-14
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Granted: 1972-08-15
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Expires: 1990-09-14
Abstract
Abstract HEAT-SEALABLE ELEMENTS COMPRISING A FIBROUS SUPPORT HAVING A COATING OF A MIXTURE OF COPOLYAMIDE, AMINOPLAST RESIN, AND ACID CATALYST ARE USEFUL INTER ALIA IN GARMENT MANUFACTURE.
Inventors
- 👤 Emile Lefrancois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:52
CPC Classifications
C; C09; C09D; C09D177/00; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08G69/265; Y; Y10; Y10T; Y10T428/00; Y10T428/20; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2746
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |