Patent US3256644A successfully refreshed from Google Patents.
US3256644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced snagging wheel
Assignee: Wakefield Corp
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Filing: 1963-01-14
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Granted: 1966-06-21
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Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Kistler
- 👤 Charles V Rue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:47
CPC Classifications
B; B24; B24D; B24D5/00; B24D5/02; B24D5/04; B24D18/00; B24D18/0081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A REINFORCED GRINDING WHEEL COMPRISING ABRASIVE GRAINS, A HOLDING AGENT, AND A REINFORCING NETWORK EMBEDDED THEREIN, SAID NETWORK COMPRISING A CIRCULAR ELEMENT DISPOSED IN SPACED SUBSTANTIALLY CONCENTRIC RELATIONSHIP TO THE PERIPHERY OF SAID WHEEL AND A PLURALITY OF REINFORCING ELEMENTS DISPOSED IN A GENERALLY RADIALLY ORIENTED PATTERN AND POSITIONED IN THE ANNULAR PORTION DEFINED BETWEEN SAID CIRCULAR ELEMENT AND THE PERIPHERY OF SAID WHEEL, SAID REINFORCING ELEMENTS INTERCONNECTED AT THEIR INNER ENDS TO SAID CIRCULAR ELEMENT AND EXTENDING THEREFROM TO A POINT CONTIGUOUS TO THE PERIPHERY OF SAID WHEEL, SAID CIRCULAR ELEMENT AND SAID REINFORCING ELEMENTS CONSISTING OF A MATERIAL OF HIGH TENSILE STRENGTH, SAID CIRCULAR ELEMENT OF A CROSS SECTIONAL AREA SUBSTANTIALLY GREATER THAN THE CROSS SECTIONAL AREA OF EACH INDIVIDUAL REINFORCING ELEMENT, AND THE TENSILE BREAKING LOAD OF SAID CIRCULAR ELEMENT AND THE COMBINED TENSILE BREAKING LOAD OF SAID REINFORCING ELEMENTS EACH BEING OF A MAGNITUDE AT LEAST EQUAL TO THE TENSILE FORCE DEVELOPE IN THE BODY OF SAID GRINDING WHEEL DURING ROTATION THEREOF.
Claim 2
Dependent Claim
166 words
A REINFORCED GRINDING WHEEL COMPRISING ABRASIVE GRAINS, A HOLDING AGENT, AND A REINFORCING NETWORK EMBEDDED THEREIN, SAID NETWORK COMPRISING A CIRCULAR ELEMENT DISPOSED IN SPACED SUBSTANTIALLY CONCENTRIC RELATIONSHIP TO THE PERIPHERY OF SAID WHEEL AND A PLURALITY OF REINFORCING ELEMENTS DISPOSED IN A GENERALLY RADIALLY ORIENTED PATTERN AND POSITIONED IN THE ANNULAR PORTION DEFINED BETWEEN SAID CIRCULAR ELEMENT AND THE PERIPHERY OF SAID WHEEL, SAID REINFORCING ELEMENTS INTERCONNECTED AT THEIR INNER ENDS TO SAID CIRCULAR ELEMENT AND EXTENDING THEREFROM TO A POINT CONTIGUOUS TO THE PERIPHERY OF SAID WHEEL, SAID CIRCULAR ELEMENT AND SAID REINFORCING ELEMENTS CONSISTING OF A MATERIAL OF HIGH TENSILE STRENGTH, SAID CIRCULAR ELEMENT OF A CROSS SECTIONAL AREA SUBSTANTIALLY GREATER THAN THE CROSS SECTIONAL AREA OF EACH INDIVIDUAL REINFORCING ELEMENT, AND THE TENSILE BREAKING LOAD OF SAID CIRCULAR ELEMENT AND THE COMBINED TENSILE BREAKING LOAD OF SAID REINFORCING ELEMENTS EACH BEING OF A MAGNITUDE AT LEAST EQUAL TO THE TENSILE FORCE DEVELOPE IN THE BODY OF SAID GRINDING WHEEL DURING ROTATION THEREOF.
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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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |