US3523358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing a vacuum tight supra-conducting joint by diffusion soldering
Assignee: US Philips Corp
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Filing: 1967-09-26
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Granted: 1970-08-11
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Expires: 1987-09-26
Abstract
No abstract record available.
Inventors
- 👤 Hildebrand Zimmer
- 👤 Rolf-Dieter Bohnke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:42
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/001; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/917; Y10S505/927; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |