US3267615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure blast apparatus
Assignee: Pangborn Corp
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Filing: 1964-02-11
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Granted: 1966-08-23
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Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:36
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/32; B24C3/325; B24C3/327; B24C7/00; B24C7/0046; B24C7/0053; B24C7/0069; Y; Y10; Y10T; Y10T137/00; Y10T137/4891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A PRESSURE BLAST APPARATUS FOR PROJECTING A STREAM OF ABRASIVE PARTICLES COMPRISING A HOPPER FOR RECEIVING AND STORING A QUANTITY OF SAID ABRASIVE PARTICLES UNDER PRESSURE, AN OPENING IN SAID HOPPER FOR RECEIVING GAS UNDER PRESSURE, AND A DISCHARGE OPENING IN SAID HOPPER FOR DISCHARGING SAID ABRASIVE PARTICLES, A MIXING CHAMBER ATTACHED TO SAID HOPPER AT SAID DISCHARGE OPENING FOR RECEIVING SAID DISCHARGED PARTICLES THEREFROM, AN OPENING IN SAID MIXING CHAMBER FOR RECEIVING A STREAM OF GAS UNDER PRESSURE, AND A DISCHARGE OPENING IN SAID MIXING CHAMBER FOR DISCHARGING SAID PARTICLES AND SAID STREAM OF GAS, THE INTERIOR OF SAID MIXING CHAMBER CONFORMING TO A VENTURI CONFIGURATION WITH THE POINT OF DISCHARGE FROM SAID HOPPER INTO SAID MIXING CHAMBER BEING AT THE POINT OF SMALLEST DIAMETER IN THE VENTURI CONFIGURATION.
Claim 2
Dependent Claim
130 words
A PRESSURE BLAST APPARATUS FOR PROJECTING A STREAM OF ABRASIVE PARTICLES COMPRISING A HOPPER FOR RECEIVING AND STORING A QUANTITY OF SAID ABRASIVE PARTICLES UNDER PRESSURE, AN OPENING IN SAID HOPPER FOR RECEIVING GAS UNDER PRESSURE, AND A DISCHARGE OPENING IN SAID HOPPER FOR DISCHARGING SAID ABRASIVE PARTICLES, A MIXING CHAMBER ATTACHED TO SAID HOPPER AT SAID DISCHARGE OPENING FOR RECEIVING SAID DISCHARGED PARTICLES THEREFROM, AN OPENING IN SAID MIXING CHAMBER FOR RECEIVING A STREAM OF GAS UNDER PRESSURE, AND A DISCHARGE OPENING IN SAID MIXING CHAMBER FOR DISCHARGING SAID PARTICLES AND SAID STREAM OF GAS, THE INTERIOR OF SAID MIXING CHAMBER CONFORMING TO A VENTURI CONFIGURATION WITH THE POINT OF DISCHARGE FROM SAID HOPPER INTO SAID MIXING CHAMBER BEING AT THE POINT OF SMALLEST DIAMETER IN THE VENTURI CONFIGURATION.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |