US2913190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous strand takeup
Assignee: AT&T Inc
•
Filing: 1956-01-18
•
Granted: 1959-11-17
•
Expires: 1976-01-18
Abstract
No abstract record available.
Inventors
- 👤 Berthold Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:15
CPC Classifications
B; B65; B65H; B65H67/00; B65H67/04; B65H67/044; B65H67/056; B65H54/00; B65H54/02; B65H54/40; B65H59/00; B65H59/38; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US600446A
Cited
US745441A
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US2196064A
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US2093042A
Cited
US2424021A
Cited
US2508150A
Cited
US2546637A
Cited
US2594666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |