US3443305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a composite metallic wire
Assignee: Sumitomo Electric Industries Ltd
•
Filing: 1965-04-15
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Granted: 1969-05-13
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Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Yoshio Matsuda
- 👤 Shigenobu Ozaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:55
CPC Classifications
B; B23; B23K; B23K31/00; B23K31/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002
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) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |