US3082157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of tin
Assignee: Bethlehem Steel Corp
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Filing: 1958-06-23
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Granted: 1963-03-19
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Francisco
- 👤 Homer G Ressler
- 👤 Carlton E Roberts
- 👤 Richard G Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:56
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THE METHOD OF CONTROLLING AN AQUEOUS ELECTROLYTIC FLUOBORIC ACID TINPLATING BATH OF STANNOUS TIN IN AN AMOUNT OF FROM 6-80 G./L/. A GRAIN REFINING AGENT, AND CONTAINING STANNIC TIN AND FERROUS IRON, THE PLATING METAL OF SAID BATH CONSISTING ESSENTIALLY OF TIN, WHICH COMPRISES MAINTAINING FLUOBORATE RADICAL IN THE BATH IN AN AMOUNT AT LEAST STOICHIOMETRICALLY EQUIVALENT TO THE STANNOUS TIN, STANNIC TIN AND FERROUS IRON SAID BATH BEING SUBSTANTIALLY FREE OF EXCESS BORATE RADICAL.
Claim 2
Independent Claim
75 words
THE METHOD OF CONTROLLING AN AQUEOUS ELECTROLYTIC FLUOBORIC ACID TINPLATING BATH OF STANNOUS TIN IN AN AMOUNT OF FROM 6-80 G./L/. A GRAIN REFINING AGENT, AND CONTAINING STANNIC TIN AND FERROUS IRON, THE PLATING METAL OF SAID BATH CONSISTING ESSENTIALLY OF TIN, WHICH COMPRISES MAINTAINING FLUOBORATE RADICAL IN THE BATH IN AN AMOUNT AT LEAST STOICHIOMETRICALLY EQUIVALENT TO THE STANNOUS TIN, STANNIC TIN AND FERROUS IRON SAID BATH BEING SUBSTANTIALLY FREE OF EXCESS BORATE RADICAL.
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |