US3794549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam sealing material with removable wrapping
Assignee: CHEMIEFAC GmbH
•
Filing: 1972-08-09
•
Granted: 1974-02-26
•
Expires: 1992-08-09
Abstract
Abstract A FOAM STRIP SEALING MATERIAL IMPREGNATED WITH AN ADHESIVE HAVING LONG LASTING PLASTIC PROPERTIES CAPABLE OF RETENTION OF THE FOAM STRIP MATERIAL IN A COMPRESSED STATE PRIOR TO ITS USE IN COMBINATION WITH A WRAPPING MEANS REMOVABLY SURROUNDING THE COMPRESSED FOAM STRIP MATERAIL AND WHICH HAS A FIRST LAYER OF SILICON PAPER HAVING A SILICON COATING ON BOTH OF ITS SIDES, A RIGID OUTER COVER OF NON-STICKING SYNTHETIC MATERIAL INTO WHICH THE FOAM STRIP WITH THE SILICON PAPER THEREON IS SLIDABLY AND REMOVABLY INSERTED. D R A W I N G
Inventors
- 👤 G Schroteler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:53
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; C; C09; C09J; C09J7/00; C09J7/10; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10T; Y10T428/00; Y10T428/14; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/24999
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |