US3475893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing communication cable and manufacturing apparatus
Assignee: Sumitomo Electric Industries Ltd
•
Filing: 1967-04-05
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Granted: 1969-11-04
•
Expires: 1987-04-05
Abstract
No abstract record available.
Inventors
- 👤 Masao Sugi
- 👤 Hiroyuki Kumamaru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:03
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/02; H01B13/0235; H01B13/0242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1038296A
Cited
US3169360A
Cited
US3373550A
Cited
US3373549A
Cited
US3385046A
Cited
US3365871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |