Patent US1708496A successfully refreshed from Google Patents.
Patent US3379309A successfully refreshed from Google Patents.
US3379309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screening or conveying machine
Assignee: Individual
•
Filing: 1965-10-04
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Granted: 1968-04-23
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Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Wehner Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:24
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/28; B07B1/284; B07B1/286; B07B1/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A VIBRATORY MACHINE HAVING TWO FRAMES OSCILLATINGLY MOVABLE RELATIVE TO ONE ANOTHER, ONE OF SAID FRAMES HAVING SIDE WALLS, AND THE SECOND OF SAID FRAMES COMPRISING VERTICAL STANDARDS EACH OF SAID FRAMES HAVING TRAY SUPPORTS EXTENDING TRANSVERSELY TO A GIVEN FORWARD DIRECTION, THE SUPPORTS OF THE TWO FRAMES BEING ARRANGED SIDE BY SIDE IN ALTERNATE FASHION AT SPACED INTERVALS AND DISPOSED HORIZONTALLY IN A COMMON PLANE, A TRAY ALTERNATELY RESTING ON THE SUPPORTS OF SAID RESPECTIVE TWO FRAMES AND IN DRIVEN ENGAGEMENT WITH ONE OF SAID FRAMES SO AS TO BE MOVED IN SAID FORWARD DIRECTION; VIBRATION GENERATING MEANS DISPOSED TRANSVERSELY OF SAID GIVEN FORWARD DIRECTION AND EXTENDING THROUGH SAID SIDE WALLS AND BELOW SAID TRAY SUPPORTS HAVING A SHAFT REVOLVABLE ON SAID ONE FRAME, A SPRUNG MACHINE BASE FRAME SAID VERTICAL STANDARDS BEING MOUNTED THEREON, SAID SUPPORTS OF THE SECOND OSCILLATING
Claim 2
Dependent Claim
142 words
A VIBRATORY MACHINE HAVING TWO FRAMES OSCILLATINGLY MOVABLE RELATIVE TO ONE ANOTHER, ONE OF SAID FRAMES HAVING SIDE WALLS, AND THE SECOND OF SAID FRAMES COMPRISING VERTICAL STANDARDS EACH OF SAID FRAMES HAVING TRAY SUPPORTS EXTENDING TRANSVERSELY TO A GIVEN FORWARD DIRECTION, THE SUPPORTS OF THE TWO FRAMES BEING ARRANGED SIDE BY SIDE IN ALTERNATE FASHION AT SPACED INTERVALS AND DISPOSED HORIZONTALLY IN A COMMON PLANE, A TRAY ALTERNATELY RESTING ON THE SUPPORTS OF SAID RESPECTIVE TWO FRAMES AND IN DRIVEN ENGAGEMENT WITH ONE OF SAID FRAMES SO AS TO BE MOVED IN SAID FORWARD DIRECTION; VIBRATION GENERATING MEANS DISPOSED TRANSVERSELY OF SAID GIVEN FORWARD DIRECTION AND EXTENDING THROUGH SAID SIDE WALLS AND BELOW SAID TRAY SUPPORTS HAVING A SHAFT REVOLVABLE ON SAID ONE FRAME, A SPRUNG MACHINE BASE FRAME SAID VERTICAL STANDARDS BEING MOUNTED THEREON, SAID SUPPORTS OF THE SECOND OSCILLATING
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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |