US3057577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for unwinding conical-layer yarn coils such as cops
Assignee: Individual
•
Filing: 1958-08-28
•
Granted: 1962-10-09
•
Expires: 1978-08-28
Abstract
No abstract record available.
Inventors
- 👤 Ruhl Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:41
CPC Classifications
B; B65; B65H; B65H49/00; B65H49/18; B65H49/20; B65H49/26; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR659908A
Cited
US1840262A
Cited
US2251311A
Cited
US2605982A
Cited
US2574455A
Cited
US2628579A
Cited
US2603938A
Cited
FR1146746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |