US3315418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced grinding wheel and reinforcing structure therefor
Assignee: Acme Abrasive Co
•
Filing: 1964-09-14
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Granted: 1967-04-25
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 James T Zawodni
- 👤 Robert J Markotan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:08
CPC Classifications
B; B24; B24D; B24D5/00; B24D5/02; B24D5/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
AN ABRASIVE WHEEL HAVING A REINFORCING STRUCTURE OF GENERALLY ANNULAR CHARACTER EMBEDDED THEREIN GENERALLY COAXIALLY THEREOF, SAID STRUCTURE COMPRISING A SINGLE LENGTH OF GLASS FIBER CORD ARRANGED IN A SPIRAL OUTLINE IN SUBSTANTIALLY A SINGLE PLANE PARALLELING THE SIDES OF THE WHEEL AND HAVING RADIALLY PROGRESSIVE CONVOLUTIONS IN SUBSTANTIALLY UNIFORM RADIAL SPACING RELATIVE TO ONE ANOTHER, AND ELONGATED, CIRCUMFERENTIALLY SPACED AND RADIALLY EXTENDING TIE MEANS THREADED THROUGH THE BODY OF SUCCESSIVE CONVOLUTIONS OF THE CORD AND SUBSTANTIALLY COEXTENSIVE RADIALLY WITH THE RESPECTIVE INNERMOST AND OUTERMOST CONVOLUTIONS OF THE CORD.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |