US3400059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acidic copper electroplating baths and method
Assignee: DEHYDAG DEUTSCHE HYDRIERWERKE G M B H
•
Filing: 1965-01-06
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Granted: 1968-09-03
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Expires: 1985-01-06
Abstract
No abstract record available.
Inventors
- 👤 Michael Gregor
- 👤 Willmund Wolf-Dieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:02
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/20; C07D295/21; B; B61; B61D; B61D3/00; B61D3/16; B61D3/18; B61D3/182; B61D3/184; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 0
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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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |