US3200629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Obtaining improved surface finishes on double reduced material
Assignee: Bethlehem Steel Corp
•
Filing: 1961-07-18
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Granted: 1965-08-17
•
Expires: 1981-07-18
Abstract
No abstract record available.
Inventors
- 👤 Owen W James
- 👤 Eugene P Waters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:39
CPC Classifications
B; B21; B21B; B21B27/00; B21B27/06; B21B27/10; B21B45/00; B21B45/02; B21B45/0239; B21B45/0245; B21B45/0248; B21B45/0251; C; C10; C10M; C10M1/00; C10M1/08; B21B1/00; B21B1/22; B21B1/227; B21B1/38; B21B2001/383; B21B2027/103; B21B27/02; B21B45/0242; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/40; C10M2207/404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A METHOD OF PRODUCING UNMOTTLED UNIFORM TEXTURE SURFACES ON DOUBLE REDUCED TIN COATED SHET AND STRIP MATERIAL COMPRISING SPRAYING A WATER-FREE MIXTURE OF PALM OIL AND AN ALKYL ESTER OF FATTY ACIDS ON THE MATERIAL ENTERING THE REDUCING ROLLS, APPLYING COOLING WATER TO THE EXIT SIDES OF THE REDUCING ROLLS, SHIELDING THE MATERIAL ENTERING THE ROLL BITE AND THE ENTRANCE SIDE OF THE REDUCING ROLLS FROM WATER SPLASHED FROM THE EXIT SIDE OF THE ROLLS AND PREVENTING ANY WATER FROM MIGRATING AROUND THE END OF THE REDUCING ROLLS FROM THE EXIT TO THE ENTRANCE SIDE, THE ALKYL ESTER, COMPRISING A LOWER STRAIGHT CHAIN ALKYL ESTER OF FATTY ACID CONTAINING FROM 6 TO 22 CARBON ATOMS, SERVING TO DECREASE THE LUBRICITY OF THE PALM OIL TO INCREASE THE BRIGHTNESS OF THE PRODUCT.
Claim 2
Independent Claim
131 words
A METHOD OF PRODUCING UNMOTTLED UNIFORM TEXTURE SURFACES ON DOUBLE REDUCED TIN COATED SHET AND STRIP MATERIAL COMPRISING SPRAYING A WATER-FREE MIXTURE OF PALM OIL AND AN ALKYL ESTER OF FATTY ACIDS ON THE MATERIAL ENTERING THE REDUCING ROLLS, APPLYING COOLING WATER TO THE EXIT SIDES OF THE REDUCING ROLLS, SHIELDING THE MATERIAL ENTERING THE ROLL BITE AND THE ENTRANCE SIDE OF THE REDUCING ROLLS FROM WATER SPLASHED FROM THE EXIT SIDE OF THE ROLLS AND PREVENTING ANY WATER FROM MIGRATING AROUND THE END OF THE REDUCING ROLLS FROM THE EXIT TO THE ENTRANCE SIDE, THE ALKYL ESTER, COMPRISING A LOWER STRAIGHT CHAIN ALKYL ESTER OF FATTY ACID CONTAINING FROM 6 TO 22 CARBON ATOMS, SERVING TO DECREASE THE LUBRICITY OF THE PALM OIL TO INCREASE THE BRIGHTNESS OF THE PRODUCT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |