US3507945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing endless wood chip webs or the like in an intermittent press
Assignee: Becker and Van Huellen GmbH and Co
•
Filing: 1968-10-11
•
Granted: 1970-04-21
•
Expires: 1988-10-11
Abstract
No abstract record available.
Inventors
- 👤 Kurt Van Hullen
- 👤 Herbert Nopper
- 👤 Hans Grefen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:06
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/20; B27N3/203
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2962459A
Cited
US3071805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |