US3109331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of texturing metal sheets
Assignee: Republic Steel Corp
•
Filing: 1961-05-05
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Granted: 1963-11-05
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Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Richard A Cordray
- 👤 Sheridan R Crooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:12
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/24; B21; B21B; B21B1/00; B21B1/22; B21B1/227; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T428/00; Y10T428/12; Y10T428/12451; Y10T428/24; Y10T428/24479
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
THE METHOD OF TEXTURING METALLIC SHEETS CAPABLE OF ELONGATION BY ROLL PRESSURE WHICH COMPRISES, APPLYING A LAYER OF METALLIC POWDER ON TOP OF A FIRST METALLIC SHEET, SPRINKLING DRIPS OF LIQUID AT RANDOM ON SAID POWDER, SAID LIQUID BEING INACTIVE WITH SAID SHEET AND PROVIDING A LUBRICITY BETWEEN SAID POWDER AND SHEET TO ACT AS A CARRIER TO RANDOMLY DISTRIBUTE SAID POWDER, PLACING A SECON METALLIC SHEET OVER SAID FIRST SHEET TO FORM A COMPOSITE PACK, PASSING THE COMPOSITE PACK BETWEEN A PAIR OF PRESSURE ROLLS WHEREBY THE DROPS OF LIQUID ARE SPREAD OUT IN A PREDOMINANTLY LONGITUDINAL DIRECTION TO FORM RANDOM PATTERNS FREE OF POWDER AND SAID POWDER NOT IN CONTACT WITH SAID LIQUID REMAINING STATIONARY AND COMPRESSED TO FORM DEPRESSED AREAS IN THE SHEETS, AND SEPARATING THE ROLLED SHEETS.
Claim 2
Independent Claim
131 words
THE METHOD OF TEXTURING METALLIC SHEETS CAPABLE OF ELONGATION BY ROLL PRESSURE WHICH COMPRISES, APPLYING A LAYER OF METALLIC POWDER ON TOP OF A FIRST METALLIC SHEET, SPRINKLING DRIPS OF LIQUID AT RANDOM ON SAID POWDER, SAID LIQUID BEING INACTIVE WITH SAID SHEET AND PROVIDING A LUBRICITY BETWEEN SAID POWDER AND SHEET TO ACT AS A CARRIER TO RANDOMLY DISTRIBUTE SAID POWDER, PLACING A SECON METALLIC SHEET OVER SAID FIRST SHEET TO FORM A COMPOSITE PACK, PASSING THE COMPOSITE PACK BETWEEN A PAIR OF PRESSURE ROLLS WHEREBY THE DROPS OF LIQUID ARE SPREAD OUT IN A PREDOMINANTLY LONGITUDINAL DIRECTION TO FORM RANDOM PATTERNS FREE OF POWDER AND SAID POWDER NOT IN CONTACT WITH SAID LIQUID REMAINING STATIONARY AND COMPRESSED TO FORM DEPRESSED AREAS IN THE SHEETS, AND SEPARATING THE ROLLED SHEETS.
References Cited (Backward Citations)
US111307A
Cited
US152741A
Cited
US437095A
Cited
US489240A
Cited
US936389A
Cited
US1516098A
Cited
US1821343A
Cited
US1792829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |