US3101305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acid copper plating bath
Assignee: Riedel and Co
•
Filing: 1958-03-12
•
Granted: 1963-08-20
•
Expires: 1978-03-12
Abstract
No abstract record available.
Inventors
- 👤 Roth Emil
- 👤 Michael Gregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:32
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN ACID COPPER PLATING BATH FOR PRODUCING SMOOTH AND LEVELLED COPPER COATINGS OF HIGH BRILLIANCY, SAID BATH CONTAINING, AS BRIGHTENING AGENT, A BASIC BRIGHTENING AGENT SELECTED FROM THE GROUP CONSISTING OF DITHIOCARBAMIC ACID COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
37 words
AN ACID COPPER PLATING BATH FOR PRODUCING SMOOTH AND LEVELLED COPPER COATINGS OF HIGH BRILLIANCY, SAID BATH CONTAINING, AS BRIGHTENING AGENT, A BASIC BRIGHTENING AGENT SELECTED FROM THE GROUP CONSISTING OF DITHIOCARBAMIC ACID 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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |