US2733182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prdcess and product
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:02
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; C08J2367/00; C08J2367/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3594
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
IN A PROCESS FOR PRODUCING AN IMPROVED GLASS FIBERREINFORCED RESIN LAMINATE, THE STEPS COMPRISING ADJUSTING AND AQUEOUS SOLUTION OF METHACRYLATO CHROMIC CHLORIDE WITH A NITROGEN-CONTINING BASE SELECTED FROM THE GROUP CONSISTING OF AMMONIA, AND ORGANIC AMINES, IN WHICH EACH ORGANIC SUBSTITUENT ON THE NITROGEN ATOM CONTAINS NO CARBON ATOM FARTHER REMOVED FROM THE NITROGEN THAN FOUR CONSECUTIVE CARBON ATOMS AND THE TOTAL NUMBER OF CARBON ATOMS ATTACHED TO THE NITROGEN EXCLUSIVELY THROUGH CARBON IS NOT MORE THAN 12, TO A PH IN THE RANGE OF ABOUT 4 TO ABOUT 7, EFFECTING CONTACT OF GLASS FIBERS WITH SAID SOLUTION AND DRYING THE TREATED GLASS FIBERS.
References Cited (Backward Citations)
US2611718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |