Patent US5850519A successfully refreshed from Google Patents.
US3085484A
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Cleaner for compaction machines
Assignee: Doosan Bobcat North America Inc
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Filing: 1958-09-16
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Granted: 1963-04-16
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Expires: 1978-09-16
Abstract
No abstract record available.
Inventors
- 👤 Paul F Mcadams
- 👤 Charles L Ellis
- 👤 Bruce V Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:27
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A ROLLING MACHINE, A COMPACTION ROLL HAVING A PLURALITY OF SPACED ROWS OF ANNULARLY ARRANGED CURVED PADS FORMING A BROKEN CYLINDRICAL SURFACE, SAID COMPACTION ROLL INCLUDING A CENTRAL MOUNTING STRUCTURE, SAID PADS BEING MOUNTED ON SUCH STRUCTURE IN RAISED RELATION IN A MANNER SUCH AS TO PROVIDE AN ANNULAR SPACE IMMEDIATELY BENEATH THE GAP BETWEEN EACH TWO ADJACENT ROWS OF PADS WHICH IS WIDER THAN THE SAID GAP, SAID ANNULAR SPACE HAVING A PREDETERMINED RADIUS OF CURVATURE, AND A PLURALITY OF CLEANER TOOTH MEMBERS EQUAL TO THE NUMBER OF SAID ANNULAR SPACES EXTENDING THROUGH THE RESPECTIVE
Claim 2
Dependent Claim
97 words
IN A ROLLING MACHINE, A COMPACTION ROLL HAVING A PLURALITY OF SPACED ROWS OF ANNULARLY ARRANGED CURVED PADS FORMING A BROKEN CYLINDRICAL SURFACE, SAID COMPACTION ROLL INCLUDING A CENTRAL MOUNTING STRUCTURE, SAID PADS BEING MOUNTED ON SUCH STRUCTURE IN RAISED RELATION IN A MANNER SUCH AS TO PROVIDE AN ANNULAR SPACE IMMEDIATELY BENEATH THE GAP BETWEEN EACH TWO ADJACENT ROWS OF PADS WHICH IS WIDER THAN THE SAID GAP, SAID ANNULAR SPACE HAVING A PREDETERMINED RADIUS OF CURVATURE, AND A PLURALITY OF CLEANER TOOTH MEMBERS EQUAL TO THE NUMBER OF SAID ANNULAR SPACES EXTENDING THROUGH THE RESPECTIVE
References Cited (Backward Citations)
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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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |