US3537959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating baths and process for producing bright zinc deposits
Assignee: DR ING MAX SCHLOETTER fur GALVANOTECHNIK
•
Filing: 1967-05-22
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Granted: 1970-11-03
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Expires: 1987-05-22
Abstract
No abstract record available.
Inventors
- 👤 Joachim Korpiun
- 👤 Hans Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:47
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US905837A
Cited
US2384300A
Cited
US2245086A
Cited
US2355505A
Cited
US2393741A
Cited
US2543545A
Cited
US3219559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |