Patent US3284875A successfully refreshed from Google Patents.
US3284875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll construction
Assignee: Deere and Co
•
Filing: 1965-03-30
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Granted: 1966-11-15
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Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 William R Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:46
CPC Classifications
A; A01; A01D; A01D82/00; A01D82/02; Y; Y10; Y10S; Y10S56/00; Y10S56/01; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49547
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A ROLL HALF FOR A ROLL OF THE CLASS DESCRIBED COMPRISING: A HOLLOW, SEMI-CYLINDRICAL ROLL HALF HAVING FIRST AND SECOND OPPOSITE ENDS, A PLURALITY OF LONGITUDINAL RIBS EXTENDING BETWEEN SAID ENDS ALONG ITS OUTER PERIPHERY, AND FIRST AND SECOND RADIAL MEMBERS HAVING AXIAL BORES, THE FIRST AND SECOND RADIAL MEMBERS BEING SPACED DIFFERENT DISTANCES FROM THEIR RESPECTIVE ENDS, SAID ROLL HALF ALSO HAVING A PLURALITY OF DIAMETRALLY OPPOSED, LONGITUDINALLY EXTENDING TABS PROJECTING APPROXIMATELY TANGENTIALLY FROM THE LONGITUDINAL TERMINAL EDGES OF THE ROLL HALF, SAID TABS BEING DIVIDED BETWEEN OUTER AND INNER TABS ARRANGED IN AN ADJACENT, ALTERNATING RELATIONSHIP BETWEEN SAID FIRST AND SECOND ENDS ALONG EACH TERMINAL EDGE, THE OUTER FACE OF EACH INNER TAB BEING SUBSTANTIALLY ALINED WITH THE INNER FACE OF EACH OUTER TAB ON THE SAID TERMINAL EDGE.
Claim 2
Dependent Claim
131 words
A ROLL HALF FOR A ROLL OF THE CLASS DESCRIBED COMPRISING: A HOLLOW, SEMI-CYLINDRICAL ROLL HALF HAVING FIRST AND SECOND OPPOSITE ENDS, A PLURALITY OF LONGITUDINAL RIBS EXTENDING BETWEEN SAID ENDS ALONG ITS OUTER PERIPHERY, AND FIRST AND SECOND RADIAL MEMBERS HAVING AXIAL BORES, THE FIRST AND SECOND RADIAL MEMBERS BEING SPACED DIFFERENT DISTANCES FROM THEIR RESPECTIVE ENDS, SAID ROLL HALF ALSO HAVING A PLURALITY OF DIAMETRALLY OPPOSED, LONGITUDINALLY EXTENDING TABS PROJECTING APPROXIMATELY TANGENTIALLY FROM THE LONGITUDINAL TERMINAL EDGES OF THE ROLL HALF, SAID TABS BEING DIVIDED BETWEEN OUTER AND INNER TABS ARRANGED IN AN ADJACENT, ALTERNATING RELATIONSHIP BETWEEN SAID FIRST AND SECOND ENDS ALONG EACH TERMINAL EDGE, THE OUTER FACE OF EACH INNER TAB BEING SUBSTANTIALLY ALINED WITH THE INNER FACE OF EACH OUTER TAB ON THE SAID TERMINAL EDGE.
References Cited (Backward Citations)
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Cited
US1472145A
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US1637996A
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US1763124A
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US1758280A
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |