US3216338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete finishing apparatus
Assignee: Baldwin Lima Hamilton Corp
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Filing: 1961-09-01
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Granted: 1965-11-09
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Expires: 1981-09-01
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)
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US2592960A
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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) | 1968-11-08 | 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 |