US3348339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive blasting wheels and vanes
Assignee: Pangborn Corp
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Filing: 1965-05-24
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Granted: 1967-10-24
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph E Bowling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:44
CPC Classifications
B; B24; B24C; B24C5/00; B24C5/06; B24C5/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A ROTATABLE ABRASIVE BLASTING WHEEL ASSEMBLY COMPRISING IN A ROTATABLE WHEEL, SAID WHEEL HAVING A SURFACE PERPENDICULAR TO THE AXIS OF ROTATION OF SAID WHEEL, ABRASIVE PROPELLING VANES SECURED TO SAID WHEEL, EACH OF SAID VANES HAVING A LOWER EDGE DISPOSED AGAINST SAID WHEEL, SAID LOWER EDGE BEING PARALLEL TO SAID SURFACE FROM ITS INNER EDGE NEAR THE CENTER OF SAID WHEEL TO THE PERIPHERY OF SAID WHEEL, EACH OF SAID VANES HAVING A PLANAR ABRASIVE PROPELLING FACE WITH A FEED END NEAR THE CENTER OF SAID WHEEL AND A DISCHARGE END NEAR THE PERIPHERY OF SAID WHEEL, SAID DISCHARGE END OF EACH FACE BEING FLARED OUTWARDLY RELATIVE TO SAID SURFACE AND WITH RESPECT TO SAID FEED END, THE ABRASIVE PROPELLING FACE OF EVERY OTHER VANE BEING FORWARDLY INCLINED AT AN ACUTE ANGLE WITH RESPECT TO SAID SURFACE, AND THE ABRASIVE PROPELLING FACE OF THE INTERVENING VANES BEING BACKWARDLY INCLINED AT AN OBTUSE ANGLE WITH RESPECT TO SAID SURFACE.
Claim 2
Dependent Claim
159 words
A ROTATABLE ABRASIVE BLASTING WHEEL ASSEMBLY COMPRISING IN A ROTATABLE WHEEL, SAID WHEEL HAVING A SURFACE PERPENDICULAR TO THE AXIS OF ROTATION OF SAID WHEEL, ABRASIVE PROPELLING VANES SECURED TO SAID WHEEL, EACH OF SAID VANES HAVING A LOWER EDGE DISPOSED AGAINST SAID WHEEL, SAID LOWER EDGE BEING PARALLEL TO SAID SURFACE FROM ITS INNER EDGE NEAR THE CENTER OF SAID WHEEL TO THE PERIPHERY OF SAID WHEEL, EACH OF SAID VANES HAVING A PLANAR ABRASIVE PROPELLING FACE WITH A FEED END NEAR THE CENTER OF SAID WHEEL AND A DISCHARGE END NEAR THE PERIPHERY OF SAID WHEEL, SAID DISCHARGE END OF EACH FACE BEING FLARED OUTWARDLY RELATIVE TO SAID SURFACE AND WITH RESPECT TO SAID FEED END, THE ABRASIVE PROPELLING FACE OF EVERY OTHER VANE BEING FORWARDLY INCLINED AT AN ACUTE ANGLE WITH RESPECT TO SAID SURFACE, AND THE ABRASIVE PROPELLING FACE OF THE INTERVENING VANES BEING BACKWARDLY INCLINED AT AN OBTUSE ANGLE WITH RESPECT TO SAID SURFACE.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |