Patent US3224688A successfully refreshed from Google Patents.
US3224688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shredder
Assignee: Honolulu Iron Works Co
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Filing: 1962-01-22
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Granted: 1965-12-21
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Rudolf E Beiter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:45
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/02; B02C13/04; B02C13/20; D; D21; D21D; D21D1/00; D21D1/20; D21D1/32; B02C18/00; B02C18/06; B02C18/16; B02C18/18; B02C2018/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SHREDDER FOR SHREDDING FIBROUS MATERIAL COMPRISING A PAIR OF ROTARY BEATER MEMBERS MOUNTED FOR ROTATION IN THE SAME DIRECTION ABOUT PARALLEL AXES AND ARRANGED IN SERIES FOR SEQUENTIALLY ENGAGING MATERIAL FED TO SAID SHREDDER, EACH OF SAID MEMBERS HAVING A HUB PORTION AND A PLURALITY OF BEATERS PIVOTED TO AND PROJECTING SUBSTANTIALLY RADIALLY FROM SAID HUB PORTION AND AXIALLY STAGGERED RELATIVE TO AND INTERMESHING WITH BEATERS OF THE OTHER MEMBER FOR REMOVING MATERIAL CAUGHT BETWEEN THE BEATERS OF EITHER MEMBER, AND AN ANVIL BAR AND A PLURALITY OF CUTTER BARS FOR EACH OF SAID MEMBERS, EACH OF SAID BARS EXTENDING SUBSTANTIALLY PARALLEL TO THE AXIS OF ITS MEMBER, AND SAID BARS OF EACH MEMBER BEING ARRANGED IN CIRCUMFERENTIALLY SPACED RELATION ALONG A PERIPHERY THEREOF WITH THE ANVIL BAR IN THE LEAD.
Claim 2
Dependent Claim
132 words
A SHREDDER FOR SHREDDING FIBROUS MATERIAL COMPRISING A PAIR OF ROTARY BEATER MEMBERS MOUNTED FOR ROTATION IN THE SAME DIRECTION ABOUT PARALLEL AXES AND ARRANGED IN SERIES FOR SEQUENTIALLY ENGAGING MATERIAL FED TO SAID SHREDDER, EACH OF SAID MEMBERS HAVING A HUB PORTION AND A PLURALITY OF BEATERS PIVOTED TO AND PROJECTING SUBSTANTIALLY RADIALLY FROM SAID HUB PORTION AND AXIALLY STAGGERED RELATIVE TO AND INTERMESHING WITH BEATERS OF THE OTHER MEMBER FOR REMOVING MATERIAL CAUGHT BETWEEN THE BEATERS OF EITHER MEMBER, AND AN ANVIL BAR AND A PLURALITY OF CUTTER BARS FOR EACH OF SAID MEMBERS, EACH OF SAID BARS EXTENDING SUBSTANTIALLY PARALLEL TO THE AXIS OF ITS MEMBER, AND SAID BARS OF EACH MEMBER BEING ARRANGED IN CIRCUMFERENTIALLY SPACED RELATION ALONG A PERIPHERY THEREOF WITH THE ANVIL BAR IN THE LEAD.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |