US2830775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coreless winding of webs
Assignee: Escher Wyss Maschinenfabriken GmbH
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Filing: 1955-01-20
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Granted: 1958-04-15
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Expires: 1975-01-20
Abstract
No abstract record available.
Inventors
- 👤 Kiesel Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:27
CPC Classifications
B; B65; B65H; B65H18/00; B65H18/08; B65H18/14; B65H18/22; B65H2404/00; B65H2404/40; B65H2404/43; B65H2701/00; B65H2701/10; B65H2701/17; B65H2701/177; B65H2701/18; B65H2701/184; B65H2701/1846; Y; Y10; Y10S; Y10S242/00; Y10S242/03
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |