US2929577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coiling strands
Assignee: AT&T Inc
•
Filing: 1958-07-09
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Granted: 1960-03-22
•
Expires: 1978-07-09
Abstract
No abstract record available.
Inventors
- 👤 George E Henning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:28
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/02; B21C47/10; B21C47/14; B65; B65H; B65H54/00; B65H54/76; B65H54/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |