Patent US3088248A successfully refreshed from Google Patents.
US3088248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sickle bar grinder
Assignee: RAM TOOL CORP
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Filing: 1961-03-13
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Granted: 1963-05-07
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Strzoda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:49
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/55
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
APPARATUS FOR ATTACHMENT TO A BENCH GRINDER UNIT INCLUDING A BASE, A DRIVING ELECTRIC MOTOR AND AN ADJACENT COAXIAL DIRECT CONNECTED GRINDING WHEEL WHICH IS OF MATERIALLY SMALLER DIAMETER THAN SAID MOTOR AND WHICH HAS TWO SUBSTANTIALLY INTERSECTING CONICAL FACES OF UNEQUAL CONICAL ANGLES TO SHARPEN ALONG ADJACENT PAIRS OF EDGES OF A SICKLE BAR POSITIONED AT AN ANGLE TO THE AXIS OF ROTATION OF THE GRINDER UNIT TO AVOID INTERFERENCE WITH THE LARGER DIAMETER OF ITS ELECTRIC MOTOR, SAID ATTACHMENT APPARATUS COMPRISING (A) TWO BRACKET ARMS SPACED APART ALONG THE AXIS OF ROTATION OF SAID GRINDER UNIT AND HAVING INNER ENDS WITH MEANS TO BE SECURED TO THE BASE OF SAID GRINDER UNIT AND ALIGNED PIVOT MEANS AT THEIR OUTER ENDS TO FORM A FIRST TILT AXIS OFFSET FROM AND AT AN ACUTE ANGLE TO THE AXIS OF ROTATION OF THE GRINDER UNIT,
References Cited (Backward Citations)
US80571A
Cited
US371870A
Cited
US623683A
Cited
US1107033A
Cited
US1162304A
Cited
CH185483A
Cited
CH188379A
Cited
US2153502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |