US3507108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing s-z alternating twists and the apparatus therefor
Assignee: Fujikura Ltd
•
Filing: 1966-02-17
•
Granted: 1970-04-21
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Expires: 1986-02-17
Abstract
No abstract record available.
Inventors
- 👤 Masamichi Yoshimura
- 👤 Toshihisa Takada
- 👤 Shigenobu Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:17
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/02; H01B13/0235; H01B13/0242; D; D07; D07B; D07B3/00; D07B3/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1960426A
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US2593984A
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US2882677A
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US2869316A
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US2971709A
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US3025656A
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US2985994A
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US3320350A
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US3271941A
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US3373550A
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US3373549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |