Patent JPS563427A successfully refreshed from Google Patents.
US3416660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screens, particularly for wood chips
Assignee: Metso Fiber Karlstad AB
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Filing: 1966-09-02
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Granted: 1968-12-17
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Expires: 1986-09-02
Abstract
No abstract record available.
Inventors
- 👤 Larsson John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:31
CPC Classifications
D; D21; D21D; D21D5/00; D21D5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US187958A
Cited
US282300A
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US589929A
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US740344A
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FR436518A
Cited
US2696302A
Cited
US3022893A
Cited
US3341011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |