US2828256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing galvanic coatings
Assignee: WMF Group GmbH
•
Filing: 1954-02-12
•
Granted: 1958-03-25
•
Expires: 1974-02-12
Abstract
No abstract record available.
Inventors
- 👤 Gempe Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:08
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1065090A
Cited
US1453419A
Cited
DE463861C
Cited
FR763863A
Cited
US2196355A
Cited
DE888192C
Cited
DE887723C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |