UST908010I4
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defensive publication
Assignee: —
•
Filing: 1971-12-13
•
Granted: 1973-03-27
•
Expires: 1991-12-13
Abstract
Abstract GLASS FIBER BUNDLES, GLASS MAT OR GLASS CLOTH REINFORCED PLASTIC LAMINATES HAVING IMPROVED WATER RESISTANCE AND ELECTRICAL PROPERTIES ARE PREPARED BY FIRST IMPREGNATING FIBER BUNDLES, MATS OR CLOTH WITH A SOLVENTLESS MIXTURE OF A LIQUID POLYMERIC RESIN SUCH AS AN EPOXY RESIN AND A CURING AGENT THEREFOR AND THEN IMMERSING THE PRODUCT IN A HOT, NON-SOLVENT, LIQUID BATH (SILICONE OIL, MOLTEN ALIPHATIC WAX) TO EFFECT POLYMERIZATION AND CURE OF THE RESIN.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:20
CPC Classifications
B; B29; B29C; B29C70/00; B29K; B29K2309/00; B29K2309/08
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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |