US3012959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for holding magnesium or other galvanic anodes
Assignee: Individual
•
Filing: 1959-03-11
•
Granted: 1961-12-12
•
Expires: 1979-03-11
Abstract
No abstract record available.
Inventors
- 👤 Kenneth N Barnard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:06
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/18; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US526357A
Cited
GB190611216A
Cited
US2779729A
Cited
GB721712A
Cited
GB783348A
Cited
GB780348A
Cited
US2934485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |