US2957646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coiling strand material
Assignee: Individual
•
Filing: 1957-10-03
•
Granted: 1960-10-25
•
Expires: 1977-10-03
Abstract
No abstract record available.
Inventors
- 👤 Crum Eben Jefferson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:43
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/76; B21; B21C; B21C47/00; B21C47/02; B21C47/10; B21C47/14; B21C47/146; B21C47/26; B21C47/262; B65H54/80; B65H54/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1232014A
Cited
US1676606A
Cited
US2216225A
Cited
US2407353A
Cited
US2736512A
Cited
US2738145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |