US3478991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric sleeve and method of making
Assignee: J M Voith & F Oberdorfer GmbH
•
Filing: 1966-05-13
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Granted: 1969-11-18
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Expires: 1986-05-13
Abstract
No abstract record available.
Inventors
- 👤 Christian Schiel
- 👤 Gunther Bischoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:38
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/0027; D21F1/0054; B; B21; B21F; B21F33/00; D21F1/60; D21F3/00; D21F3/02; D21F3/08; Y; Y10; Y10T; Y10T24/00; Y10T24/16; Y10T24/1688
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE611090C
Cited
GB310743A
Cited
US1957554A
Cited
US1828304A
Cited
US2162947A
Cited
US3309046A
Cited
US3316599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |