US2982705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion preventive galvanic anode zinc alloy
Assignee: MITSUBISHI KENZOKU KOGYO KABUS
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Filing: 1958-07-15
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Granted: 1961-05-02
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Expires: 1978-07-15
Abstract
No abstract record available.
Inventors
- 👤 Sakano Takeshi
- 👤 Masuda Akira
- 👤 Toda Kazuo
- 👤 Atobe Yoriyasu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:52
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/12; C23F13/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
A METHOD OF PREVENTING CORROSION TO IRON STRUCTURES WHICH COMPRISES THE STEPS OF USING AS A GALVANIC ANODEAN ALLOY CONSISTING OF ZINC THE PURITY OF WHICH IS ABOVE ABOUT 99.99% AND AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF INDIUM, THALLIUM, CADMIUM, TIN, AND MIXTURES THEREOF, IN AN AMOUNT OF BETWEEN 0.01% AND ABOUT 3% BASED ON THE WEIGHT OF THE ZINC.
References Cited (Backward Citations)
US2444174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |