US2996445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibiting anode structure
Assignee: Individual
•
Filing: 1958-01-17
•
Granted: 1961-08-15
•
Expires: 1978-01-17
Abstract
No abstract record available.
Inventors
- 👤 Eisenberg Morris
- 👤 William D Smiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:21
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/16; C23F13/18; F; F24; F24H; F24H9/00; F24H9/40; F24H9/45; F24H9/455
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US799061A
Cited
DE526210C
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US2459123A
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US2656314A
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US2508171A
Cited
US2698291A
Cited
US2754260A
Cited
US2863819A
Cited
US2908623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |