Patent US3412000A successfully refreshed from Google Patents.
US3412000A
Expired / Lapsed
US
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Cathodic protection of titanium surfaces
Assignee: M&T Chemicals Inc
•
Filing: 1965-04-14
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Granted: 1968-11-19
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Expires: 1985-04-14
Abstract
No abstract record available.
Inventors
- 👤 Bedi Ram Dev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:07
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/48; C25D3/50; C25D5/00; C25D5/34; C25D5/42; C25D7/00; C25D3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2507400A
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US2538991A
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US2834101A
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US3102086A
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US3096272A
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US2987453A
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US3065154A
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US3103484A
Cited
US3254015A
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US3293167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |