US3006837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for electroplating metal cylinders equipped with ports
Assignee: Individual
•
Filing: 1954-11-02
•
Granted: 1961-10-31
•
Expires: 1974-11-02
Abstract
No abstract record available.
Inventors
- 👤 Pennington Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:59
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US825332A
Cited
US1224762A
Cited
US1861446A
Cited
US2048578A
Cited
US2367159A
Cited
US2574417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |