Patent US2199526A successfully refreshed from Google Patents.
Patent US3134733A successfully refreshed from Google Patents.
US3134733A
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Screens
Assignee: BIXBY-ZIMMER ENGINEERING Co A CORP OF DE
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Filing: 1961-01-09
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Granted: 1964-05-26
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Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Colin G Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:16
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/12; B07B1/46; B07B1/4609
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A PLANAR SCREEN STRUCTURE FOR SORTING AND CLASSIFYING MATERIAL WITHOUT IMPARTING DAMAGING FORCES TO SAID MATERIAL, WHICH SCREEN STRUCTURE COMPRISES A PLURALITY OF ELONGATED SCREEN FORMING RODS HAVING A PRESELECTED CROSS-SECTIONAL CONFIGURATION, A PLURALITY OF CROSS BARS, SAID CROSS BARS BEING MOUNTED IN PREDETERMINED SPACED RELATION TRANSVERSELY OF AND BENEATH SAID SCREEN FORMING RODS AND BEING SECURED TO SAID SCREEN FORMING RODS SO AS TO MAINTAIN SAID RODS IN DESIRED SPACED PARALLEL RELATION, SAID JOINED SCREEN FORMING RODS AND CROSS BARS DEFINING REGIONS OF PRESELECTED SIZE WHERETHROUGH A PORTION OF THE MATERIAL BEING SCREENED MAY PASS, AND A PLURALITY OF ELONGATED READILY REMOVABLE RESILIENT COVERINGS, EACH OF SAID COVERINGS HAVING A SLOTTED MATING PORTION ADJACENT THE LOWER SURFACE THEREOF, SAID SLOTTED MATING PORTION BEING FORMED TO COMPLEMENT THE CROSS-SECTIONAL CONFIGURATION OF THE SCREEN FORMING RODS AND HAVING GRIPPING SURFACES PROPORTIONED TO MATE WITH, ENCOMPASS, AND FRICTIONALLY GRIP ONLY THE UPPER PORTION OF SAID SCREEN FORMING RODS.
Claim 2
Dependent Claim
156 words
A PLANAR SCREEN STRUCTURE FOR SORTING AND CLASSIFYING MATERIAL WITHOUT IMPARTING DAMAGING FORCES TO SAID MATERIAL, WHICH SCREEN STRUCTURE COMPRISES A PLURALITY OF ELONGATED SCREEN FORMING RODS HAVING A PRESELECTED CROSS-SECTIONAL CONFIGURATION, A PLURALITY OF CROSS BARS, SAID CROSS BARS BEING MOUNTED IN PREDETERMINED SPACED RELATION TRANSVERSELY OF AND BENEATH SAID SCREEN FORMING RODS AND BEING SECURED TO SAID SCREEN FORMING RODS SO AS TO MAINTAIN SAID RODS IN DESIRED SPACED PARALLEL RELATION, SAID JOINED SCREEN FORMING RODS AND CROSS BARS DEFINING REGIONS OF PRESELECTED SIZE WHERETHROUGH A PORTION OF THE MATERIAL BEING SCREENED MAY PASS, AND A PLURALITY OF ELONGATED READILY REMOVABLE RESILIENT COVERINGS, EACH OF SAID COVERINGS HAVING A SLOTTED MATING PORTION ADJACENT THE LOWER SURFACE THEREOF, SAID SLOTTED MATING PORTION BEING FORMED TO COMPLEMENT THE CROSS-SECTIONAL CONFIGURATION OF THE SCREEN FORMING RODS AND HAVING GRIPPING SURFACES PROPORTIONED TO MATE WITH, ENCOMPASS, AND FRICTIONALLY GRIP ONLY THE UPPER PORTION OF SAID SCREEN FORMING RODS.
References Cited (Backward Citations)
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Cited
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US1491802A
Cited
US2369723A
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US2443176A
Cited
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |