Patent DE913784C successfully refreshed from Google Patents.
US2994491A
Expired / Lapsed
US
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Means for unwinding the yarn of conical-layer coils
Assignee: Oerlikon Textile GmbH and Co KG
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Filing: 1958-10-02
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Granted: 1961-08-01
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Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 Weber Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:33
CPC Classifications
B; B65; B65H; B65H57/00; B65H57/22; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US306348A
Cited
US2099215A
Cited
US1965471A
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US2286189A
Cited
US2585962A
Cited
CH316367A
Cited
FR1146746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |