US3368677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive separator
Assignee: Pangborn Corp
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Filing: 1964-09-08
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Granted: 1968-02-13
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Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles H Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:15
CPC Classifications
B; B24; B24C; B24C9/00; B24C9/006; B07; B07B; B07B1/00; B07B1/18; B07B4/00; B07B4/02; B24B; B24B55/00; B24B55/06; Y; Y02; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A SEPARATOR FOR SEPARATING ABRASIVE BLASTING PARTICLES FROM AN ABRASIVE CONTAMINANT MIXTURE COMPRISING A HOUSING DEFINING A SEPARATING ZONE AND METERING MEANS FOR INTRODUCING THE MIXTURE INTO THE UPPER PORTION OF THE SEPARATING ZONE, MEANS FOR INTRODUCING A SINGLE AIR CURTAIN THROUGH A FIRST WALL OF THE HOUSING AND ACROSS THE SEPARATING ZONE, OUTLET MEANS IN A SECOND WALL OF THE HOUSING FOR THE AIR CURTAIN, A FIRST SKIMMER PLATE IN THE SEPARATING ZONE INTERMEDIATE THE FIRST AND SECOND WALLS POSITIONED SO THAT THE AIR CURTAIN CARRIES LIGHTWEIGHT CONTAMINANT THEREOVER AND PERMITS HEAVIER PARTICLES THEREOF TO SLIDE DOWN THE FIRST SKIMMER PLATE AND DIVERTS THE FALL OF THE REMAINING MIXTURE, SECOND AND THIRD SKIMMER PLATES VERTICALLY SPACED FROM EACH OTHER IN THE SEPARATING ZONE BELOW THE FIRST SKIMMER PLATE, THE SECOND AND THIRD PLATES DEFINING A PASSAGE FOR HEAVY CONTAMINANT DIVERTED BY THE
Claim 2
Dependent Claim
143 words
A SEPARATOR FOR SEPARATING ABRASIVE BLASTING PARTICLES FROM AN ABRASIVE CONTAMINANT MIXTURE COMPRISING A HOUSING DEFINING A SEPARATING ZONE AND METERING MEANS FOR INTRODUCING THE MIXTURE INTO THE UPPER PORTION OF THE SEPARATING ZONE, MEANS FOR INTRODUCING A SINGLE AIR CURTAIN THROUGH A FIRST WALL OF THE HOUSING AND ACROSS THE SEPARATING ZONE, OUTLET MEANS IN A SECOND WALL OF THE HOUSING FOR THE AIR CURTAIN, A FIRST SKIMMER PLATE IN THE SEPARATING ZONE INTERMEDIATE THE FIRST AND SECOND WALLS POSITIONED SO THAT THE AIR CURTAIN CARRIES LIGHTWEIGHT CONTAMINANT THEREOVER AND PERMITS HEAVIER PARTICLES THEREOF TO SLIDE DOWN THE FIRST SKIMMER PLATE AND DIVERTS THE FALL OF THE REMAINING MIXTURE, SECOND AND THIRD SKIMMER PLATES VERTICALLY SPACED FROM EACH OTHER IN THE SEPARATING ZONE BELOW THE FIRST SKIMMER PLATE, THE SECOND AND THIRD PLATES DEFINING A PASSAGE FOR HEAVY CONTAMINANT DIVERTED BY THE
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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |