Patent US3924313A successfully refreshed from Google Patents.
US3924313A
Expired / Lapsed
US
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Metal applicator roll
Assignee: Standex International Corp
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Filing: 1974-05-24
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Granted: 1975-12-09
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Expires: 1994-05-24
Abstract
Abstract A hardened metal applicator roll having a precisely random etched surface and method for producing the same.
Inventors
- 👤 Frank William Broderick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:19
CPC Classifications
B; B41; B41N; B41N7/00; B41N7/06; B41N2207/00; B41N2207/02; B41N2207/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
36 words
A hardened metal applicator roll having a precise randomly etched surface for carrying material to be applied to other material, said surface having a random pattern of cells of varying size and depth and irregular shape.
Claim 2
Dependent Claim
36 words
A hardened metal applicator roll having a precise randomly etched surface for carrying material to be applied to other material, said surface having a random pattern of cells of varying size and depth and irregular shape.
Claim 3
Dependent Claim
18 words
A hardened metal applicator roll according to claim 1 wherein the roll is a chrome plated, steel roll.
Claim 4
Dependent Claim
32 words
A hardened metal applicator roll according to claim 1 wherein the roll is a steel roll having a surface hardness of a Rockwell C hardness rating in the 50 to 60 range.
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) | 1978-12-08 | 1979-06-09 | 1979-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-08 | 1983-06-09 | 1983-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-08 | 1987-06-09 | 1987-12-09 | $7700.00 | Window Closed / Lapsed |