US3472944A
Expired / Lapsed
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Assemblies of superconductor elements
Assignee: Imperial Metal Industries Kynoch Ltd
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Filing: 1967-05-04
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Granted: 1969-10-14
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Expires: 1987-05-04
Abstract
No abstract record available.
Inventors
- 👤 Peter Harlow Morton
- 👤 Anthony Clifford Barber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:20
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/22; H; H10; H10N; H10N60/00; H10N60/01; H10N60/0156; B21C33/00; B21C33/002; B21C33/004; B23; B23K; B23K31/00; B23K31/02; H01; H01B; H01B12/00; H01B12/02; H01B12/12; H01F; H01F6/00; H01F6/06; H10N60/0184; H10N60/20; Y; Y02; Y02E; Y02E40/00; Y02E40/60; Y10; Y10S; Y10S29/00; Y10S29/047; Y10S505/00; Y10S505/825; Y10S505/884; Y10S505/917; Y10S505/918; Y10S505/928; Y10S505/929; Y10S505/93; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |