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US3216338A Expired / Lapsed US ⏱️ 0.0 years remaining

Concrete finishing apparatus

Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1961-09-01
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Granted: 1965-11-09
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Expires: 1981-09-01
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Abstract

No abstract record available.

Inventors

  • 👤 Walter M Madsen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 21:02
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/42

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 165 words
IN A CEMENT PAVEMENT FINISHING APPARATUS; A PAIR OF LONGITUDINALLY OSCILLATABLE FLOAT SHOES ARRANGED IN THE GENERAL SHAPE OF A V; TRAVELING SUPPORT MEANS FOR SAID SHOES SUPPORTING SAME WITH THE INNER END OF ONE OF SAID SHOES AHEAD OF THE OTHER; DIVERSION FLOAT CARRIED BY RESPECTIVE FLOAT SHOE SUPPORT MEANS AND PIVOTALLY MOUNTED AT THE OUTER END OF EACH FLOAT SHOE AND OSCILLATABLE THEREWITH, EACH DIVERSION FLOAT BEING PIVOTALLY MOVABLE BETWEEN A POSITION LONGITUDINALLY ALIGNED WITH ITS RESPECTIVE FLOAT SHOE AND A POSITION OUT OF SUCH ALIGNMENT, THE ADJACENT ENDS OF THE FLOAT SHOES AND DIVERSION FLOATS HAVING PORTIONS OVERLAPPING WITH RESPECT TO THE DIRECTION OF MOVEMENT OF THE APPARATUS WHEN SAID DIVERSION FLOATS ARE IN LONGITUDINAL ALIGNMENT WITH SAID FLOAT SHOES, THERE BEING A GAP BETWEEN SAID ADJACENT ENDS WHEN THE DIVERSION FLOTS ARE MOVED OUT OF SAID ALIGNMENT; AND MEANS FOR ACTUATING THE DIVERSION FLOATS BETWEEN A POSITION WHEREIN THEY ARE ALIGNED WITH THEIR RESPECTIVE FLOAT SHOES AND OUT OF ALIGNMENT THEREWITH.

References Cited (Backward Citations)

US2162665A Cited
US2386662A Cited
US2358085A Cited
US2592960A Cited
US2866394A Cited
US2948202A Cited
US2990754A Cited
US3147678A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-08 1969-05-10 1969-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-08 1973-05-10 1973-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-08 1977-05-10 1977-11-09 $7700.00 Window Closed / Lapsed

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