Patent US3090140A successfully refreshed from Google Patents.
US3090140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraping assembly for road planer
Assignee: Individual
•
Filing: 1961-02-27
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Granted: 1963-05-21
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Trana Valdemar Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:44
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/8152
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A RAOD-PLANER BLADE ASSEMBLY COMPRISING A PALNER BLADE, A RESILIENT SCRAPER BLADE HAVING A CURVED UPPER EDGE PORTION, MEANS MOUNTING THE SAID UPPER EDGE PORTION OF SAID SCRAPER BLADE ON SAID PLANER BLADE, SAID MOUNTING MEANS HAVING A RECESS BOUNDED AT ITS INNER PORTION BY SURFACES CURVED SIMILARLY AS THE UPPER EDGE PORTIONS OF SAID SCRAPER BLADE AND SAID UPPER PORTION OF SAID SCRAPER BLADE BEING ACCOMMODATED IN SAID RECESS AND BEING RETAINED THEREIN BY SAID CURVATURE OF ITS UPPER EDGE PORTION AND OF THE INNER PORTION OF THE WALLS OF SAID RECESS, AND A RIGID BACKING SUPPORT MOUNTED ON SAID PLANER BLADE AND EXTENDING DOWNWARDLY IN REAR OF SAID SCRAPER BLADE AND FREELY ENGAGING THE BACK FACE OF SAID SCRAPER BLADE.
Claim 2
Dependent Claim
122 words
A RAOD-PLANER BLADE ASSEMBLY COMPRISING A PALNER BLADE, A RESILIENT SCRAPER BLADE HAVING A CURVED UPPER EDGE PORTION, MEANS MOUNTING THE SAID UPPER EDGE PORTION OF SAID SCRAPER BLADE ON SAID PLANER BLADE, SAID MOUNTING MEANS HAVING A RECESS BOUNDED AT ITS INNER PORTION BY SURFACES CURVED SIMILARLY AS THE UPPER EDGE PORTIONS OF SAID SCRAPER BLADE AND SAID UPPER PORTION OF SAID SCRAPER BLADE BEING ACCOMMODATED IN SAID RECESS AND BEING RETAINED THEREIN BY SAID CURVATURE OF ITS UPPER EDGE PORTION AND OF THE INNER PORTION OF THE WALLS OF SAID RECESS, AND A RIGID BACKING SUPPORT MOUNTED ON SAID PLANER BLADE AND EXTENDING DOWNWARDLY IN REAR OF SAID SCRAPER BLADE AND FREELY ENGAGING THE BACK FACE OF SAID SCRAPER BLADE.
References Cited (Backward Citations)
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US285594A
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US731762A
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US910985A
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US1574725A
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US1799204A
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US2105960A
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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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |