US3663720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article of manufacture having high temperature resistant properties and method of making the same
Assignee: Thompson Chemicals Inc
•
Filing: 1969-09-12
•
Granted: 1972-05-16
•
Expires: 1989-09-12
Abstract
Abstract THE INVENTION RELATES TO MAKING A HIGH TEMPERATURE RESISTANT GLASS FIBER LAMINATE BY IMPREGNATING GLASS FIBERS WITH A CONDENSATION PRODUCT OF RESORCINOL AND FORMALDEHYDE RESINS CONTAINING BETWEEN 2 AND 6 BASED IN THE WEIGHT OF THE CONDENSATION PRODUCT OF PORTLAND CEMENT. A COATING OF AN ENAMEL ALKYD MAY BE APPLIED TO THE GLASS FIBER LAMINATE.
Inventors
- 👤 Henry C Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:35
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/0405; C08J5/043; B; B32; B32B; B32B27/00; B32B27/12; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/47; C04; C04B; C04B22/00; C04B22/002; C04B22/006; C04B26/00; C04B26/02; C04B26/10; C04B26/12; C04B26/122; C04B30/00; C04B30/02; C04B41/00; C04B41/009; C04B41/45; C04B41/46; C04B41/48; C04B41/4823; C04B41/52; C09; C09D; C09D161/00; C09D161/04; C09D161/06; C09D161/12; C04B2111/00; C04B2111/00474; C04B2111/00482; C04B2111/20; C04B2111/28; C08J2361/00; C08J2361/04; C08J2361/06; C08J2361/12; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/31786; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2926; Y10T442/2992
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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |