US3426519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for stranding fibers with reversing twist
Assignee: KM Kabelmetal AG
•
Filing: 1968-02-08
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Granted: 1969-02-11
•
Expires: 1988-02-08
Abstract
No abstract record available.
Inventors
- 👤 Artur Unger
- 👤 Hans-Peter Stehmann
- 👤 Paul Heidenreich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:07
CPC Classifications
D; D07; D07B; D07B3/00; D07B3/005; H; H01; H01B; H01B13/00; H01B13/02; H01B13/0235; H01B13/0242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2790299A
Cited
US3169360A
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US3373550A
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US3373549A
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US3385046A
Cited
US3365871A
Cited
US3367097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |