US3303081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making a textured laminate surface
Assignee: National Plastic Products Co Inc
•
Filing: 1963-07-01
•
Granted: 1967-02-07
•
Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Michaelson Jack
- 👤 Richard C Mcdevitt
- 👤 Herbert I Scher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:28
CPC Classifications
B; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; B29; B29C; B29C43/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN THE MANUFACTURE OF PRESSING PLATE DIES HAVING MOLDING SURFACES WHICH COMPRISE A RESIN IMPREGNATED FIBROUS SHEET FOR THE PRODUCTION OF THREE-DIMENSIONAL SURFACED LAMINATES, THE METHOD OF: (1) ASSEMBLYING A STACK (A) A PLURALITY OF FIBROUS SHEETS IMPREGNATED WITH A THERMOSETTING RESIN, (B) A PATTERN PRODUCING SHEET, AND (C) A THIN PARTING LAYER INTERPOSED BEETWEEN (A) AND (B); (2) APPLYING SUFFICIENT HEAT AND PRESSURE TO THE ASSEMBLY TO EFFECT A LAMINATION OF SAID FIBROUS SHEETS AND PRODUCE A NEGATIVELY EMBOSSED PLATE OF SAID RESIN IMPREGNATED FIBROUS SHEETS; (3) REMOVING THE PATTERN PRODUCING SHEET AND THE PARTING LAYER FROM THE NEGATIVE PLATE THEREBY PROVIDING SAID PLATE WITH A MOLDING SURFACE WHICH COMPRISE A RESIN IMPREGNATED FIBROUS SHEET; (4) ASSEMBLING IN A STACK (A) A PLURALITY OF FIBROUS SHEETS IMPREGNATED WITH THERMOSETTING RESIN;
Claim 2
Dependent Claim
131 words
IN THE MANUFACTURE OF PRESSING PLATE DIES HAVING MOLDING SURFACES WHICH COMPRISE A RESIN IMPREGNATED FIBROUS SHEET FOR THE PRODUCTION OF THREE-DIMENSIONAL SURFACED LAMINATES, THE METHOD OF: (1) ASSEMBLYING A STACK (A) A PLURALITY OF FIBROUS SHEETS IMPREGNATED WITH A THERMOSETTING RESIN, (B) A PATTERN PRODUCING SHEET, AND (C) A THIN PARTING LAYER INTERPOSED BEETWEEN (A) AND (B); (2) APPLYING SUFFICIENT HEAT AND PRESSURE TO THE ASSEMBLY TO EFFECT A LAMINATION OF SAID FIBROUS SHEETS AND PRODUCE A NEGATIVELY EMBOSSED PLATE OF SAID RESIN IMPREGNATED FIBROUS SHEETS; (3) REMOVING THE PATTERN PRODUCING SHEET AND THE PARTING LAYER FROM THE NEGATIVE PLATE THEREBY PROVIDING SAID PLATE WITH A MOLDING SURFACE WHICH COMPRISE A RESIN IMPREGNATED FIBROUS SHEET; (4) ASSEMBLING IN A STACK (A) A PLURALITY OF FIBROUS SHEETS IMPREGNATED WITH THERMOSETTING RESIN;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |