US2575409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current collector for electroplating apparatus
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1948-06-30
•
Granted: 1951-11-20
•
Expires: 1968-06-30
Abstract
No abstract record available.
Inventors
- 👤 William B Cooper
- 👤 Paul A Burgemeister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:27
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1543502A
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US1802957A
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US2044180A
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US2047418A
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US2145363A
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US2204325A
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US2271736A
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US2280111A
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US2424650A
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US2451872A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |