US3347368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screening device
Assignee: Individual
•
Filing: 1965-06-28
•
Granted: 1967-10-17
•
Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Mogensen Fredrik Kristian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:09
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/12; B07B1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A SCREENING DEVICE FOR CLASSIFYING A MIXTURE OF PARTICLES OF DIFFERENT SIZES INTO FRACTIONS AS TO SIZE, COMPRISING AT LEAST ONE DECK OF A PLURALITY OF PRINCIPALLY UNI-DIRECTIONALLY EXTENDING RODS PLACED SIDE BY SIDE AND BEING INCLINED DOWNWARDS FROM THEIR FEEDING ENDS TO THEIR DISCHARGE ENDS, ADJACENT RODS BEING DIFFERENTLY INCLINED TO THE HORIZONTAL AND EACH ROD BEING OF UNIFORM
Claim 2
Dependent Claim
60 words
A SCREENING DEVICE FOR CLASSIFYING A MIXTURE OF PARTICLES OF DIFFERENT SIZES INTO FRACTIONS AS TO SIZE, COMPRISING AT LEAST ONE DECK OF A PLURALITY OF PRINCIPALLY UNI-DIRECTIONALLY EXTENDING RODS PLACED SIDE BY SIDE AND BEING INCLINED DOWNWARDS FROM THEIR FEEDING ENDS TO THEIR DISCHARGE ENDS, ADJACENT RODS BEING DIFFERENTLY INCLINED TO THE HORIZONTAL AND EACH ROD BEING OF UNIFORM
References Cited (Backward Citations)
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Cited
US555973A
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Cited
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Cited
US1747266A
Cited
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Cited
US2420941A
Cited
FR983335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |