US3138845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass peening machine and dustcollecting system
Assignee: Zero Manufacturing Co
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Filing: 1962-08-14
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Granted: 1964-06-30
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Expires: 1982-08-14
Abstract
No abstract record available.
Inventors
- 👤 Hellmann Leon
- 👤 Donald L Temple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:37
CPC Classifications
B; B24; B24C; B24C7/00; B24C7/0046; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T29/479
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A GLASS BEAD PEENING MACHINE COMPRISING A HOUSING, SAID HOUSING BEING DIVIDED BY A PARTITION INTO AN UPPER PARTIAL PRESSURE CHAMBER AND A LOWER PRESSURE CHAMBER, THE TOP OF SAID UPPER CHAMBER INCLUDING A SEPARATOR AND A CONNECTION FOR A SUCTION HOSE, THE BOTTOM OF THE LOWER CHAMBER BEING CONNECTED TO A BLASTING HOSE AND NOZZLE VIA A METERING VALVE, SAID PARTITION HAVING A PASSAGEWAY COMMUNICATING SAID UPPER CHAMBER TO SAID LOWER CHAMBER, VALVE MEANS FOR CLOSING SAID PASSAGEWAY DURING OPERATION AND OPENING SAID PASSAGEWAY DURING SHUTDOWN.
Claim 2
Dependent Claim
87 words
A GLASS BEAD PEENING MACHINE COMPRISING A HOUSING, SAID HOUSING BEING DIVIDED BY A PARTITION INTO AN UPPER PARTIAL PRESSURE CHAMBER AND A LOWER PRESSURE CHAMBER, THE TOP OF SAID UPPER CHAMBER INCLUDING A SEPARATOR AND A CONNECTION FOR A SUCTION HOSE, THE BOTTOM OF THE LOWER CHAMBER BEING CONNECTED TO A BLASTING HOSE AND NOZZLE VIA A METERING VALVE, SAID PARTITION HAVING A PASSAGEWAY COMMUNICATING SAID UPPER CHAMBER TO SAID LOWER CHAMBER, VALVE MEANS FOR CLOSING SAID PASSAGEWAY DURING OPERATION AND OPENING SAID PASSAGEWAY DURING SHUTDOWN.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |