US2910822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for wrapping strand material helically about and advancing core
Assignee: AT&T Inc
•
Filing: 1957-09-06
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Granted: 1959-11-03
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Expires: 1977-09-06
Abstract
No abstract record available.
Inventors
- 👤 Tillman T Bunch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:20
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/08; H01B13/0816
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1526572A
Cited
US1999151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |