US2773247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current collector for rotary shaft of electroplating apparatus
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1951-10-03
•
Granted: 1956-12-04
•
Expires: 1971-10-03
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Erhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:24
CPC Classifications
H; H01; H01R; H01R39/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1571303A
Cited
US2068632A
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US2256118A
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US2446548A
Cited
US2251722A
Cited
US2309316A
Cited
US2453073A
Cited
US2575409A
Cited
US2529634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |