US3160991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work piece passage seals for shot blasting apparatus
Assignee: Pangborn Corp
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Filing: 1963-03-12
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Granted: 1964-12-15
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Expires: 1983-03-12
Abstract
No abstract record available.
Inventors
- 👤 Charles H Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:39
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/08; B24C3/10; B24C3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN ABRASIVE BLASTING APPARATUS COMPRISING A BLASTING CABINET, A ROTARY BLASTING WHEEL EXTENDING INTO THE CABINET, AN ABRASIVE STORAGE BIN CONNECTED WITH SAID WHEEL FOR FEEDING ABRASIVE TO SAID WHEEL, A WORK PIECE ENTRANCE THROUGH ONE SIDE OF THE CABINET, A WORK PIECE EXIT THROUGH THE OPPOSITE SIDE OF THE CABINET, A HOLLOW ENCLOSURE OVER SAID ENTRANCE, A HOLLOW ENCLOSURE OVER SAID EXIT, A WORK PIECE OPENING IN SAID ENCLOSURE, MEANS LEADING FROM SAID BIN TO EACH ENCLOSURE TO FEED ABRASIVE THEREIN TO MAINTAIN THE SAME FILLED WITH ABRASIVE, AND SAID HOLLOW ENCLOSURES INCLUDING ABRASIVE CONFINING MEANS FOR SEALING SAID ABRASIVE AROUND SAID WORK PIECE.
Claim 2
Dependent Claim
105 words
AN ABRASIVE BLASTING APPARATUS COMPRISING A BLASTING CABINET, A ROTARY BLASTING WHEEL EXTENDING INTO THE CABINET, AN ABRASIVE STORAGE BIN CONNECTED WITH SAID WHEEL FOR FEEDING ABRASIVE TO SAID WHEEL, A WORK PIECE ENTRANCE THROUGH ONE SIDE OF THE CABINET, A WORK PIECE EXIT THROUGH THE OPPOSITE SIDE OF THE CABINET, A HOLLOW ENCLOSURE OVER SAID ENTRANCE, A HOLLOW ENCLOSURE OVER SAID EXIT, A WORK PIECE OPENING IN SAID ENCLOSURE, MEANS LEADING FROM SAID BIN TO EACH ENCLOSURE TO FEED ABRASIVE THEREIN TO MAINTAIN THE SAME FILLED WITH ABRASIVE, AND SAID HOLLOW ENCLOSURES INCLUDING ABRASIVE CONFINING MEANS FOR SEALING SAID ABRASIVE AROUND SAID WORK PIECE.
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) | 1967-12-15 | 1968-06-15 | 1968-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-15 | 1972-06-15 | 1972-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-15 | 1976-06-15 | 1976-12-15 | $7700.00 | Window Closed / Lapsed |