US3041255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of bright nickel
Assignee: Primerica Inc
•
Filing: 1960-03-22
•
Granted: 1962-06-26
•
Expires: 1980-03-22
Abstract
No abstract record available.
Inventors
- 👤 Passal Frank
- 👤 John A Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:02
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
IN AN AQUEOUS ACID ELECTROLYTIC BATH CONTAINING SOLUBLE NICKEL SALTS FOR THE ELECTRODEPOSITION OF BRIGHT NICKEL, THE IMPROVEMENT COMPRISING INCORPORATING THEREIN AS A BRIGHTENER SULFONATED DIBENZOTHIOPHENE DIOXIDE HAVING THE STRUCTURE
Claim 2
Dependent Claim
30 words
IN AN AQUEOUS ACID ELECTROLYTIC BATH CONTAINING SOLUBLE NICKEL SALTS FOR THE ELECTRODEPOSITION OF BRIGHT NICKEL, THE IMPROVEMENT COMPRISING INCORPORATING THEREIN AS A BRIGHTENER SULFONATED DIBENZOTHIOPHENE DIOXIDE HAVING THE STRUCTURE
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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |