Patent US3117401A successfully refreshed from Google Patents.
US3117401A
Expired / Lapsed
US
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Column polisher
Assignee: CRUTCHER ROLFS CUMMINGS Inc
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Filing: 1961-03-22
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Granted: 1964-01-14
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Expires: 1981-03-22
Abstract
No abstract record available.
Inventors
- 👤 Dolen E Talley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:47
CPC Classifications
E; E04; E04G; E04G23/00; E04G23/002; B; B24; B24B; B24B23/00; B24B23/08; B24B33/00; B24B33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
APPARATUS FOR POLISHING THE PERIPHERY OF A FIXED, SUBSTANTIALLY VERTICAL CONCRETE COLUMN, SAID APPARATUS INCLUDING IN COMBINATION A PLATFORM HAVING A PLURALITY OF SIDE MEMBERS WITH AT LEAST ONE OF SAID PLURALITY OF SIDE MEMBERS HAVING A PIVOTAL COUPLING TO ALLOW THE COLUMN TO BE DISPOSED WITHIN THE PLATFORM, FRICTION DRIVE MEANS COUPLED TO SAID PLATFORM, SAID FRICTION DRIVE MEANS INCLUDING A PLURALITY OF WHEELS AND RESILIENT MEANS FOR BIASING EACH OF SAID PLURALITY OF WHEELS TOWARD THE COLUMN FOR FRICTIONAL ENGAGEMENT THEREWITH,
Claim 2
Dependent Claim
83 words
APPARATUS FOR POLISHING THE PERIPHERY OF A FIXED, SUBSTANTIALLY VERTICAL CONCRETE COLUMN, SAID APPARATUS INCLUDING IN COMBINATION A PLATFORM HAVING A PLURALITY OF SIDE MEMBERS WITH AT LEAST ONE OF SAID PLURALITY OF SIDE MEMBERS HAVING A PIVOTAL COUPLING TO ALLOW THE COLUMN TO BE DISPOSED WITHIN THE PLATFORM, FRICTION DRIVE MEANS COUPLED TO SAID PLATFORM, SAID FRICTION DRIVE MEANS INCLUDING A PLURALITY OF WHEELS AND RESILIENT MEANS FOR BIASING EACH OF SAID PLURALITY OF WHEELS TOWARD THE COLUMN FOR FRICTIONAL ENGAGEMENT THEREWITH,
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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |