Patent EP0039635A1 successfully refreshed from Google Patents.
US3673024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the manufacture of endless drive belts and conveyor bands
Assignee: Nordiska Maskinfilt AB
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Filing: 1969-03-06
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Granted: 1972-06-27
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Expires: 1989-03-06
Abstract
Abstract The invention relates to a method for the manufacture of endless belts and bands. The method is carried out in such a way that a rather narrow bat having fibres orientated essentially in the longitudinal direction is wound over and between two parallel rollers and the web thus obtained is needled in a needling machine. The invention also embraces a machine for carrying such a method into effect.
Inventors
- 👤 Erik Birger Eriksson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:31
CPC Classifications
B; B29; B29D; B29D29/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/108; Y10T156/1084; Y10T156/1085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |