Patent US3323728A successfully refreshed from Google Patents.
US3323728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comminuting apparatus
Assignee: —
•
Filing: —
•
Granted: 1967-06-06
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Expires: 1984-06-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:40
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/16; B02C18/22; B02C18/2225; B02C18/2291; B02C18/0084; B02C18/0092; B02C13/00; B02C13/26; B02C13/286; B02C18/2216; B02C23/00; B02C23/04; B02C25/00; B02C2018/168; Y; Y10; Y10S; Y10S241/00; Y10S241/606
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
COMMINUTING APPARATUS COMPRISING A COMMINUTOR, A CHUTE DOWN WHICH THE MATERIAL TO BE COMMINUTED PASSES FROM A MOUTH OF SAID CHUTE TO SAID COMMINUTOR, AN ELECTRIC MOTOR TO DRIVE THE COMMINUTOR, A COVER MOUNTED OVER SAID CHUTE TO CLOSE AND OPEN SAID MOUTH OF THE CHUTE, AND SWITCH MEANS TO CONTROL SAID ELECTRIC MOTOR AND ACTUATABLE BY MOVEMENT OF SAID COVER SO THAT WHEN THE COVER IS OPENED TO BEYOND A PREDETERMINED DEGREE THE MOTOR IS STOPPED, SAID CHUTE AND SAID COVER BEING SO CONSTRUCTED AND ARRANGED THAT THE ACT OF THRUSTING AN ARM OR OTHER ELONGATE MEMBER INTO THE CHUTE TO A CERTAIN EXTENT, SUFFICIENTLY SHORT OF THE COMMINUTOR THAT NO DAMAGE RESULTS, OPENS THE COVER TO BEYOND SAID PREDETERMINED DEGREE TO STOP THE MOTOR.
Claim 2
Dependent Claim
126 words
COMMINUTING APPARATUS COMPRISING A COMMINUTOR, A CHUTE DOWN WHICH THE MATERIAL TO BE COMMINUTED PASSES FROM A MOUTH OF SAID CHUTE TO SAID COMMINUTOR, AN ELECTRIC MOTOR TO DRIVE THE COMMINUTOR, A COVER MOUNTED OVER SAID CHUTE TO CLOSE AND OPEN SAID MOUTH OF THE CHUTE, AND SWITCH MEANS TO CONTROL SAID ELECTRIC MOTOR AND ACTUATABLE BY MOVEMENT OF SAID COVER SO THAT WHEN THE COVER IS OPENED TO BEYOND A PREDETERMINED DEGREE THE MOTOR IS STOPPED, SAID CHUTE AND SAID COVER BEING SO CONSTRUCTED AND ARRANGED THAT THE ACT OF THRUSTING AN ARM OR OTHER ELONGATE MEMBER INTO THE CHUTE TO A CERTAIN EXTENT, SUFFICIENTLY SHORT OF THE COMMINUTOR THAT NO DAMAGE RESULTS, OPENS THE COVER TO BEYOND SAID PREDETERMINED DEGREE TO STOP THE MOTOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |