US2734025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twatktnw att
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:44
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN ELECTROLYTE FOR THE ELECTRODEPOSITION OF LEADTIN ALLOYS COMPRISING AN AQUEOUS SOLUTION OF LEAD FLUOBORATE, TIN FLUOBORATE, FLUOBORIC ACID AND APPROXIMATELY ONE TO TWO GRAMS OF ADDITION AGENT PER LITER OF ELECTROLYTE, SAID ADDITION AGENT CONSISTING OF A CONDENSATION PRODUCT OF ETHYLENE OXIDE WITH A MATERIAL FROM THE GROUP CONSISTING OF BETA-NAPHTHOL AND DIPHENYL ETHER.
Claim 2
Dependent Claim
55 words
AN ELECTROLYTE FOR THE ELECTRODEPOSITION OF LEADTIN ALLOYS COMPRISING AN AQUEOUS SOLUTION OF LEAD FLUOBORATE, TIN FLUOBORATE, FLUOBORIC ACID AND APPROXIMATELY ONE TO TWO GRAMS OF ADDITION AGENT PER LITER OF ELECTROLYTE, SAID ADDITION AGENT CONSISTING OF A CONDENSATION PRODUCT OF ETHYLENE OXIDE WITH A MATERIAL FROM THE GROUP CONSISTING OF BETA-NAPHTHOL AND DIPHENYL ETHER.
References Cited (Backward Citations)
US2457152A
Cited
US2460252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |