US3137601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making a glass fiber reinforced panel
Assignee: Crane Composites Inc
•
Filing: 1960-12-27
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Granted: 1964-06-16
•
Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Menzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:10
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T156/1729; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/249921; Y10T428/249924; Y10T428/24994
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A PROCESS FOR PREPARING A PLASTIC SHEET COMPRISING PASSING A PAIR OF RESIN IMPERMEABLE SHEETS DOWNWARDLY AND TOWARD EACH OTHER TOWARD A PAIR JOF NARROWLY SPACED ROLLERS SO AS TO FORM A TROUGH IN THE GENERAL FORM OF A V, INTRODUCING LIQUID RESIN INTO SAID TROUGH TO FORM A POOL OF RESIN, PASSING A PRINTED SHEET JOF LIGHT FIBROUS MATERIAL DOWNWARDLY BETWEEN SAID RESIN IMPERMEABLE SHEETS AND THROUGH SAID POOL OF RESIN, INTRODUCING GLASS FIBERS INTO SAID POOL OF RESIN ON EACH SIDE OF SAID PRINTED SHEET, PASSING SAID GLASS FIBERS, RESIN, AND PRINTED SHEET WHILE BETWEEN SAID RESIN IMPERMEABLE SHEETS THROUGH THE SPACE BETWEEN SAID ROLLERS, AND SUBSEQUENTLY CURING THE COMPOSITE SHEET SO FORMED TO SET SET THE RESIN.
Claim 2
Dependent Claim
120 words
A PROCESS FOR PREPARING A PLASTIC SHEET COMPRISING PASSING A PAIR OF RESIN IMPERMEABLE SHEETS DOWNWARDLY AND TOWARD EACH OTHER TOWARD A PAIR JOF NARROWLY SPACED ROLLERS SO AS TO FORM A TROUGH IN THE GENERAL FORM OF A V, INTRODUCING LIQUID RESIN INTO SAID TROUGH TO FORM A POOL OF RESIN, PASSING A PRINTED SHEET JOF LIGHT FIBROUS MATERIAL DOWNWARDLY BETWEEN SAID RESIN IMPERMEABLE SHEETS AND THROUGH SAID POOL OF RESIN, INTRODUCING GLASS FIBERS INTO SAID POOL OF RESIN ON EACH SIDE OF SAID PRINTED SHEET, PASSING SAID GLASS FIBERS, RESIN, AND PRINTED SHEET WHILE BETWEEN SAID RESIN IMPERMEABLE SHEETS THROUGH THE SPACE BETWEEN SAID ROLLERS, AND SUBSEQUENTLY CURING THE COMPOSITE SHEET SO FORMED TO SET SET THE RESIN.
References Cited (Backward Citations)
CA553619A
Cited
US3056222A
Cited
US2184121A
Cited
US2528168A
Cited
US2640799A
Cited
US2662044A
Cited
US2771387A
Cited
US2754865A
Cited
US2939509A
Cited
US2781287A
Cited
US2830925A
Cited
US2944994A
Cited
US2861910A
Cited
US2980574A
Cited
FR1195048A
Cited
US3075429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |