US3098037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Gilson Screen Co
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Filing: 1960-03-14
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Granted: 1963-07-16
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Expires: 1980-03-14
Abstract
No abstract record available.
Inventors
- 👤 Burl D Tonjes
- 👤 Robert A Cline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:46
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PARTICLE SIFTER AND SORTER DEVICE, COMPRISING: A RECIPROACABLE COMBINATION OF A SOLID BOTTOMED VERTICAL WALLED TRAY, A PLURALITY OF OPEN ENDED AND FRAMES ARRANGED IN A TIER OVER A SAID TRAY, A PLURALITY OF SEPARATE SIFTING SCREENS REMOVABLY INTERSPERSED BETWEEN SAID FRAMES, CLAMING MEANS ADJACENT THE OPEN ENDS OF SAID FRAMES, CLAMPING MEANS SPANNING SAID TIER OF FRAMES, SAID SCREENS, AND SAID TRAY, RECIPROCATION MEANS CONNECTED TO SAID CLAMPING MEANS, MEANS FOR DRIVING SAID RECIPROCATION MEANS; A SUPPORTING MEANS FOR SAID RECIPROCABLE COMBINATION, AN INTERMEDIATE FRAME ENCIRCLING SAID COMBINATION BETWEEN SAID CLAMPING MEANS AND SAID SUPPORTING MEANS, AND AXLE MEANS BETWEEN SAID SUPPORTING MEANS AND SAID INTERMEDIATE FRAME FOR ROCKABLY MOUNTING SAID RECIPROCABLE COMBINATION.
Claim 2
Dependent Claim
115 words
A PARTICLE SIFTER AND SORTER DEVICE, COMPRISING: A RECIPROACABLE COMBINATION OF A SOLID BOTTOMED VERTICAL WALLED TRAY, A PLURALITY OF OPEN ENDED AND FRAMES ARRANGED IN A TIER OVER A SAID TRAY, A PLURALITY OF SEPARATE SIFTING SCREENS REMOVABLY INTERSPERSED BETWEEN SAID FRAMES, CLAMING MEANS ADJACENT THE OPEN ENDS OF SAID FRAMES, CLAMPING MEANS SPANNING SAID TIER OF FRAMES, SAID SCREENS, AND SAID TRAY, RECIPROCATION MEANS CONNECTED TO SAID CLAMPING MEANS, MEANS FOR DRIVING SAID RECIPROCATION MEANS; A SUPPORTING MEANS FOR SAID RECIPROCABLE COMBINATION, AN INTERMEDIATE FRAME ENCIRCLING SAID COMBINATION BETWEEN SAID CLAMPING MEANS AND SAID SUPPORTING MEANS, AND AXLE MEANS BETWEEN SAID SUPPORTING MEANS AND SAID INTERMEDIATE FRAME FOR ROCKABLY MOUNTING SAID RECIPROCABLE COMBINATION.
References Cited (Backward Citations)
US1566036A
Cited
US1991001A
Cited
FR44332E
Cited
US2029848A
Cited
FR784916A
Cited
US2358453A
Cited
US2511239A
Cited
US2690841A
Cited
US2663423A
Cited
US2973865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |