US3525150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a superconducting material
Assignee: US Philips Corp
•
Filing: 1967-01-04
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Granted: 1970-08-25
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Expires: 1987-01-04
Abstract
No abstract record available.
Inventors
- 👤 Serge Deiness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:29
CPC Classifications
H; H10; H10N; H10N60/00; H10N60/01; B; B22; B22F; B22F7/00; B22F7/06; B22F7/08; C; C22; C22C; C22C1/00; C22C1/04; C22C1/045; C22C27/00; C22C27/02; H10N60/0184; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/93; Y10S505/00; Y10S505/80; Y10S505/815; Y10S505/823; Y10S505/825; Y10S505/917; Y10S505/918; Y10S505/919; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124455A
Cited
US936403A
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US2888740A
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US3167692A
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US3269806A
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US3290186A
Cited
US3351437A
Cited
US3379000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |