Patent US3052582A successfully refreshed from Google Patents.
US3052582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of chemical milling and acid aqueous bath used therefor
Assignee: Boeing Co
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Filing: 1959-10-05
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Granted: 1962-09-04
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Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 Snyder Herman Ben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:32
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
104 words
AN ACID AQUEOUS BATH FOR CHEMICALLY MILLING PRINCIPALLY BY AN OXIDATION-REDUCTION PROCESS, SAID BATH INCLUDING THE FOLLOWING AS ESSENTIAL INGREDIENTS: HYDROGEN ION, FROM 1 TO 70 OUNCES PER GALLON OF FERRIC ION, FROM 5 TO 60 OUNCES PER GALLON OF CHLORIDE ION, FROM 1 TO 30 OUNCES PER GALLON OF FLUORIDE ION, FROM 15 TO 65 OUNCES PER GALLON OF NITRATE ION, FROM 0.0001 TO 6 OUNCES PER GALLON OF A WEAK ACID ANION, FROM 1 TO 50 OUNCES PER GALLON OF ACETATE ION, AND FROM 0.001 TO 2.0 OUNCES PER GALLON OF A PHOSPHATE ION SELECTED FROM THE GROUP CONSISTING OF H2PO4-AND HPO4-.
Claim 2
Dependent Claim
104 words
AN ACID AQUEOUS BATH FOR CHEMICALLY MILLING PRINCIPALLY BY AN OXIDATION-REDUCTION PROCESS, SAID BATH INCLUDING THE FOLLOWING AS ESSENTIAL INGREDIENTS: HYDROGEN ION, FROM 1 TO 70 OUNCES PER GALLON OF FERRIC ION, FROM 5 TO 60 OUNCES PER GALLON OF CHLORIDE ION, FROM 1 TO 30 OUNCES PER GALLON OF FLUORIDE ION, FROM 15 TO 65 OUNCES PER GALLON OF NITRATE ION, FROM 0.0001 TO 6 OUNCES PER GALLON OF A WEAK ACID ANION, FROM 1 TO 50 OUNCES PER GALLON OF ACETATE ION, AND FROM 0.001 TO 2.0 OUNCES PER GALLON OF A PHOSPHATE ION SELECTED FROM THE GROUP CONSISTING OF H2PO4-AND HPO4-.
Claim 3
Independent Claim
111 words
A METHOD OF CHEMICALLY MILLING AN ARTICLE PRINCIPALLY BY AN OXIDATION-REDUCTION PROCESS, SAID METHOD INCLUDING THE STEPS OF TREATING SAID ARTICLE IN AN ACID AQUEOUS CHEMICAL MILLING BATH INCLUDING HYDROGEN INO, FROM 1 TO 70 OUNCES PER GALLON OF FERRIC ION,FROM 5 TO 60 OUNCES PER GALLON OF CHLORIDE ION, FROM 1 TO 30 OUNCES PER GALLON OF FLUORIDE ION, FROM 15 TO 65 OUNCES PER GALLON OF NITRATE ION, FROM 0.0001 TO 6 OUNCES PER GALLON OF OXALATE ION, FROM 1 TO 50 OUNCES PER GALLON OF ACETATE ION AND FROM 0.0001 TO 2.0 OUNCES PER GALLON OF A PHOSPHATE ION SELECTED FROM THE GROUP CONSISTING OF H2PO4- AND PHO4.
Claim 4
Independent Claim
111 words
A METHOD OF CHEMICALLY MILLING AN ARTICLE PRINCIPALLY BY AN OXIDATION-REDUCTION PROCESS, SAID METHOD INCLUDING THE STEPS OF TREATING SAID ARTICLE IN AN ACID AQUEOUS CHEMICAL MILLING BATH INCLUDING HYDROGEN INO, FROM 1 TO 70 OUNCES PER GALLON OF FERRIC ION,FROM 5 TO 60 OUNCES PER GALLON OF CHLORIDE ION, FROM 1 TO 30 OUNCES PER GALLON OF FLUORIDE ION, FROM 15 TO 65 OUNCES PER GALLON OF NITRATE ION, FROM 0.0001 TO 6 OUNCES PER GALLON OF OXALATE ION, FROM 1 TO 50 OUNCES PER GALLON OF ACETATE ION AND FROM 0.0001 TO 2.0 OUNCES PER GALLON OF A PHOSPHATE ION SELECTED FROM THE GROUP CONSISTING OF H2PO4- AND PHO4.
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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) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |