US3190820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of bright nickel
Assignee: Bayer Pharma AG
•
Filing: 1961-09-28
•
Granted: 1965-06-22
•
Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Todt Hans Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:31
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D215/00; C07D215/02; C07D215/04; C07D215/12; C07D215/14; C07D217/00; C07D217/02; C07D217/04; C07D217/10; C07D217/22; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A NICKEL PLATING ELECTOLYTE CONTAINING BETWEEN ABOUT 0.001 AND ABOUT 0.1 GRAMS PER LITER OF A PRIMARY BRIGHTENER SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
28 words
A NICKEL PLATING ELECTOLYTE CONTAINING BETWEEN ABOUT 0.001 AND ABOUT 0.1 GRAMS PER LITER OF A PRIMARY BRIGHTENER SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |