US3277608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Housing guard and abrasive stream control unit for rotatable abrasive throwing assemblies
Assignee: Pangborn Corp
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Filing: 1963-09-04
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Granted: 1966-10-11
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Expires: 1983-09-04
Abstract
No abstract record available.
Inventors
- 👤 Maxwell E Fahrney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:20
CPC Classifications
B; B24; B24C; B24C5/00; B24C5/06; B24C5/066; C; C22; C22C; C22C37/00; C22C37/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A ROTATABLE ABRASIVE BLASTING WHEEL ASSEMBLY COMPRISING A ROTATABLE WHEEL, ABRASIVE PROPELLING VANES MOUNTED ON ONE FACE OF SAID WHEEL AND EXTENDING RADIALLY THEREOF, MEANS SUPPORTED BY THE WHEEL FOR PROVIDING SUPPLY ABRASIVE MEDIA TO THE VANES, A CYLINDRICAL GUARD HOUSING ENCIRCLING THE ROTATABLE WHEEL OVER AN ARC SUBSTANTIALLY GREATER THAN A SEMICIRCLE AND HAVING AN OPENING THROUGH WHICH ABRASIVE IS PROPELLED BY THE WHEEL, LEGS EXTENDING OUTWARDLY FROM EACH SIDE OF THE OPENING IN SAID GUARD HOUSING, A MAIN HOUSING ENCLOSING THE GUARD HOUSING, SAID MAIN HOUSING HAVING A BOTTOM, AN OPENING IN SAID BOTTOM OF SAID MAIN HOUSING, SAID LEGS BEING DIVERGENT AND EXTENDING THROUGH SAID OPENING IN SAID BOTTOM OF SAID MAIN HOUSING AND BEING POSITIONED SO AS TO LIMIT THE SIZE OF THE PATTERN OF ABRASIVE MEDIA PROPELLED BY SAID VANES, AND EACH OF SAID LEGS BEING AT AN ANGLE SUBSTANTIALLY LESS THAN 180* TO A TANGENT TO THE CYLINDRICAL GUARD HOUSING AT THE JUNCTURE OF EACH LEG AND THE GUARD HOUDING
Claim 2
Dependent Claim
166 words
A ROTATABLE ABRASIVE BLASTING WHEEL ASSEMBLY COMPRISING A ROTATABLE WHEEL, ABRASIVE PROPELLING VANES MOUNTED ON ONE FACE OF SAID WHEEL AND EXTENDING RADIALLY THEREOF, MEANS SUPPORTED BY THE WHEEL FOR PROVIDING SUPPLY ABRASIVE MEDIA TO THE VANES, A CYLINDRICAL GUARD HOUSING ENCIRCLING THE ROTATABLE WHEEL OVER AN ARC SUBSTANTIALLY GREATER THAN A SEMICIRCLE AND HAVING AN OPENING THROUGH WHICH ABRASIVE IS PROPELLED BY THE WHEEL, LEGS EXTENDING OUTWARDLY FROM EACH SIDE OF THE OPENING IN SAID GUARD HOUSING, A MAIN HOUSING ENCLOSING THE GUARD HOUSING, SAID MAIN HOUSING HAVING A BOTTOM, AN OPENING IN SAID BOTTOM OF SAID MAIN HOUSING, SAID LEGS BEING DIVERGENT AND EXTENDING THROUGH SAID OPENING IN SAID BOTTOM OF SAID MAIN HOUSING AND BEING POSITIONED SO AS TO LIMIT THE SIZE OF THE PATTERN OF ABRASIVE MEDIA PROPELLED BY SAID VANES, AND EACH OF SAID LEGS BEING AT AN ANGLE SUBSTANTIALLY LESS THAN 180* TO A TANGENT TO THE CYLINDRICAL GUARD HOUSING AT THE JUNCTURE OF EACH LEG AND THE GUARD HOUDING
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |