US3223032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graining process
Assignee: Hercules Powder Co
•
Filing: 1963-10-04
•
Granted: 1965-12-14
•
Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Boardman Harold
- 👤 Richard L Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:15
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS FOR GRAINING THE METAL SURFACE OF A LAMINATE OF A METAL FOIL HAVING A THICKNESS BETWEEN ABOUT 0.01 INCH AND ABOUT 0.0001 INCH BONDED TO A THERMOPLASTIC SUBSTRATE HAVING A ROCKWELL R HARDNESS OF LESS THAN ABOUT 95 AT THE TEMPERATURE AT WHICH GRAINING IS EFFECTED, A SHORE D HARDNESS OF AT LEAST 40 AT ROOM TEMPERATURE AND A COMPRESSIVE STRENGTH OF AT LEAST 900 P.S.I. AT ROOM TEMPERATURE, WHICH COMPRISES CONTACTING THE METAL SURFACE OF SAID LAMINATE WITH A LITHOGRAPHIC GRAINED METAL MASTER PLATE UNDER PRESSURE OF FROM ABOUT 200 P.S.I. TO ABOUT 10,000 P.S.I. AT A TEMPERATURE BELOW THE MELTING POINT OF THE THERMOPLASTIC.
Claim 2
Dependent Claim
108 words
A PROCESS FOR GRAINING THE METAL SURFACE OF A LAMINATE OF A METAL FOIL HAVING A THICKNESS BETWEEN ABOUT 0.01 INCH AND ABOUT 0.0001 INCH BONDED TO A THERMOPLASTIC SUBSTRATE HAVING A ROCKWELL R HARDNESS OF LESS THAN ABOUT 95 AT THE TEMPERATURE AT WHICH GRAINING IS EFFECTED, A SHORE D HARDNESS OF AT LEAST 40 AT ROOM TEMPERATURE AND A COMPRESSIVE STRENGTH OF AT LEAST 900 P.S.I. AT ROOM TEMPERATURE, WHICH COMPRISES CONTACTING THE METAL SURFACE OF SAID LAMINATE WITH A LITHOGRAPHIC GRAINED METAL MASTER PLATE UNDER PRESSURE OF FROM ABOUT 200 P.S.I. TO ABOUT 10,000 P.S.I. AT A TEMPERATURE BELOW THE MELTING POINT OF THE THERMOPLASTIC.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |