US3291707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bright zinc electroplating technique
Assignee: Abbey Automation Systems Inc
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Filing: 1963-02-19
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Granted: 1966-12-13
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Harold G Abbey
- 👤 George B Schore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:53
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
THE PROCESS OF BARREL PLATING ZINC ON A BASE, COMPRISING THE STEPS OF (A) IMMERSING A ZINC ANODE AND SAID BASE IN AN AQUEOUS ZINC FLUOBORATE ELECTROYLTE CONSISTING ESSENTIALLY OF 20 TO 50 OUNCES OF ZINC FLUOBORATE PER GALLON OF WATER, THE RATIO OF ZINC TO FLUIBORIC ACID BEING SUCH AS TO AFFORD A PH OF 3.0 TO 4.0 THE ELECTROLYTE CONTAINING 0.1 TO 0.4 OUNCES OF BRIGHTENING AGENT PER GALLON OF WATER SAID AGENT HAVING BEEN INTRODUCED IN SAID ELECTROLYTE AS A CONCENTRATED SOLUTION OF LICORICE DISSOLVED IN A SMALL QUANTITY OF ALCOHOL, (B) APPLYING A VOLTAGE BETWEEN SAID BASE AND SAID ANODE HAVING A VALUE IN THE RANGE OF 20 TO 50 VOLTS TO PRODUCE AN OPERATING CURRENT DENSITY IN THE RANGE OF 100 TO 800 AMPERES PER SQUARE FOOT DEPOSIT PURE ZINC ON SAID BASE, AND (C) COOLING SAID ELECTROLYTE IN THE COURSE OF ZINC ELECTROPLATING TO MAINTAIN A TEMPERATURE RANGE OF 60* F TO 80* F.
Claim 2
Dependent Claim
160 words
THE PROCESS OF BARREL PLATING ZINC ON A BASE, COMPRISING THE STEPS OF (A) IMMERSING A ZINC ANODE AND SAID BASE IN AN AQUEOUS ZINC FLUOBORATE ELECTROYLTE CONSISTING ESSENTIALLY OF 20 TO 50 OUNCES OF ZINC FLUOBORATE PER GALLON OF WATER, THE RATIO OF ZINC TO FLUIBORIC ACID BEING SUCH AS TO AFFORD A PH OF 3.0 TO 4.0 THE ELECTROLYTE CONTAINING 0.1 TO 0.4 OUNCES OF BRIGHTENING AGENT PER GALLON OF WATER SAID AGENT HAVING BEEN INTRODUCED IN SAID ELECTROLYTE AS A CONCENTRATED SOLUTION OF LICORICE DISSOLVED IN A SMALL QUANTITY OF ALCOHOL, (B) APPLYING A VOLTAGE BETWEEN SAID BASE AND SAID ANODE HAVING A VALUE IN THE RANGE OF 20 TO 50 VOLTS TO PRODUCE AN OPERATING CURRENT DENSITY IN THE RANGE OF 100 TO 800 AMPERES PER SQUARE FOOT DEPOSIT PURE ZINC ON SAID BASE, AND (C) COOLING SAID ELECTROLYTE IN THE COURSE OF ZINC ELECTROPLATING TO MAINTAIN A TEMPERATURE RANGE OF 60* F TO 80* F.
References Cited (Backward Citations)
US2523160A
Cited
US3095362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |