US3063866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming bismuth whiskers
Assignee: General Mills Inc
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Filing: 1960-12-02
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Granted: 1962-11-13
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Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Ludwig J Mayer
- 👤 Robert J Rickett
- 👤 Heinrich F Stenemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:40
CPC Classifications
C; C30; C30B; C30B1/00; C30B1/02; C30B29/00; C30B29/02; Y; Y10; Y10S; Y10S264/00; Y10S264/19; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12431
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
THE METHOD OF FORMING BISMUTH WHISKERS COMPRISING THE STEPS OF VACUUM DEPOSITING A LAYER OF MANGANESE ON A NON-METALLIC SUBSTRATE, VACUUM DEPOSITING A LAYER OF BISMUTH ONTO THE MANGANESE LAYER, AND HEAT TREATING THE DEPOSITED BISMUTH AT AN ELEVATED TEMPERATURE.
References Cited (Backward Citations)
US2873214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |