US3277814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sieve plate for manufacture of fiber board and similar board products
Assignee: Valmet AB
•
Filing: 1964-10-20
•
Granted: 1966-10-11
•
Expires: 1984-10-20
Abstract
No abstract record available.
Inventors
- 👤 Malm Karl Gunnar
- 👤 Reinhall Rolf Bertil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:49
CPC Classifications
D; D21; D21J; D21J1/00; D21J1/04; B; B27; B27N; B27N3/00; B27N3/08; B27N3/10; B27N3/14; D21D; D21D5/00; D21D5/02; D21D5/04; D21D5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1631585A
Cited
US1247941A
Cited
US1540325A
Cited
US1553310A
Cited
US2854896A
Cited
US2866556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |