US3109808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sieve shaker
Assignee: Individual
•
Filing: 1961-02-03
•
Granted: 1963-11-05
•
Expires: 1981-02-03
Abstract
No abstract record available.
Inventors
- 👤 Harvey F Greenwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:09
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/02; G01N15/0272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A SIEVE SHAKER APPARATUS INCLUDING A BASE, A TABLE HAVING AN EXTENSION FORMED THEREON, MEANS FOR SECURELY MOUNTING A PLURALITY OF SUPERPOSED SIEVES ON SAID TABLE, SUPPORTING MEANS INTERPOSED BETWEEN SAID BASE AND TABLE ADAPTED TO PERMIT RELATIVE MOVEMENT THEREBETWEEN, SAID SUPPORTING MEANS COMPRISING FOUR RESILIENT MEMBERS LOCATED AT POINTS DEFINING THE CORNERS OF A RECTANGLE, SAID POINTS BEING LOCATED NEAR THE PERIPHERY OF SAID TABLE, DRIVING MEANS COMPRISING A PRIME MOVER ADAPTED TO ROTATE A SHAFT, SAID SHAFT HAVING ECCENTRIC CONNECTING MEANS LOCATED THEREON, AN ARM HAVING ONE END JOURNALED TO SAID CONNECTING MEANS ON SAID SHAFT AT A POINT OFFSET FROM THE AXIS OF SAID SHAFT AND THE OTHER END JOURNALED TO SAID EXTENSION ON SAID TABLE, THE TWO AXES ABOUT WHICH THE ENDS OF SAID ARM ARE JOURNALED BEING DISPOSED AT AN ACUTE ANGLE WITH RESPECT TO EACH OTHER AND THE TWO SIDES OF THE RECTANGLE DEFINED BY SAID POINTS BEING DISPOSED AT AN ACUTE ANGLE WITH RESPECT TO THE AXIS OF SHAFT.
Claim 2
Dependent Claim
166 words
A SIEVE SHAKER APPARATUS INCLUDING A BASE, A TABLE HAVING AN EXTENSION FORMED THEREON, MEANS FOR SECURELY MOUNTING A PLURALITY OF SUPERPOSED SIEVES ON SAID TABLE, SUPPORTING MEANS INTERPOSED BETWEEN SAID BASE AND TABLE ADAPTED TO PERMIT RELATIVE MOVEMENT THEREBETWEEN, SAID SUPPORTING MEANS COMPRISING FOUR RESILIENT MEMBERS LOCATED AT POINTS DEFINING THE CORNERS OF A RECTANGLE, SAID POINTS BEING LOCATED NEAR THE PERIPHERY OF SAID TABLE, DRIVING MEANS COMPRISING A PRIME MOVER ADAPTED TO ROTATE A SHAFT, SAID SHAFT HAVING ECCENTRIC CONNECTING MEANS LOCATED THEREON, AN ARM HAVING ONE END JOURNALED TO SAID CONNECTING MEANS ON SAID SHAFT AT A POINT OFFSET FROM THE AXIS OF SAID SHAFT AND THE OTHER END JOURNALED TO SAID EXTENSION ON SAID TABLE, THE TWO AXES ABOUT WHICH THE ENDS OF SAID ARM ARE JOURNALED BEING DISPOSED AT AN ACUTE ANGLE WITH RESPECT TO EACH OTHER AND THE TWO SIDES OF THE RECTANGLE DEFINED BY SAID POINTS BEING DISPOSED AT AN ACUTE ANGLE WITH RESPECT TO THE AXIS OF SHAFT.
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |