Patent US4459981A successfully refreshed from Google Patents.
US3086684A
Expired / Lapsed
US
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Spreader gate assembly
Assignee: Koehring Co
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Filing: 1962-03-12
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Granted: 1963-04-23
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Gene P Flaherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:05
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A CHIP SPREADING MACHINE, A CHIP SPREADING HOPPER ASSEMBLY COMPRISING A HOPPER HAVING A PAIR OF TRANSVERSELY EXTENDING WALLS AND A PAIR OF END WALLS INTERCONNECTING SAID TRANSVERSE WALLS, A DOWNWARDLY SLOPING BOTTOM WALL EXTENDING FROM ONE OF SAID TRANSVERSE WALLS AND COOPERATING WITH THE OTHER OF SAID TRANSVERSE WALLS TO DEFINE A BOTTOM DISCHARGE OPENING EXTENDING GENERALLY BETWEEN SAID END WALLS, A MOUNTING BRACKET ON THE LOWER PORTION OF SAID OTHER TRANSVERSE WALL, A PLURALITY OF SEGMENTAL GATES DISPOSED IN EDGE ABUTTING RELATION AND EXTENDING GENERALLY BETWEEN SAID END WALLS, PIVOT MEANS CARRIED BY SAID MOUNTING BRACKET SUPPORTING SAID SEGMENTAL GATES FOR SWINGING MOVEMENT BETWEEN OPEN AND CLOSED POSITIONS RELATIVE TO SAID DISCHARGE OPENING, EACH OF SAID SEGMENTAL GATES HAVING AN OUTWARDLY PROJECTING EDGE FLANGE ALONG ONE EDGE THEREOF TO FORM A SEAL WITH AN ADJACENT EDGE OF AN ADJACENT SEGMENTAL GATE WHEN THE ADJACENT SEGMENTAL GATE IS IN AN OPEN POSITION.
Claim 2
Dependent Claim
154 words
IN A CHIP SPREADING MACHINE, A CHIP SPREADING HOPPER ASSEMBLY COMPRISING A HOPPER HAVING A PAIR OF TRANSVERSELY EXTENDING WALLS AND A PAIR OF END WALLS INTERCONNECTING SAID TRANSVERSE WALLS, A DOWNWARDLY SLOPING BOTTOM WALL EXTENDING FROM ONE OF SAID TRANSVERSE WALLS AND COOPERATING WITH THE OTHER OF SAID TRANSVERSE WALLS TO DEFINE A BOTTOM DISCHARGE OPENING EXTENDING GENERALLY BETWEEN SAID END WALLS, A MOUNTING BRACKET ON THE LOWER PORTION OF SAID OTHER TRANSVERSE WALL, A PLURALITY OF SEGMENTAL GATES DISPOSED IN EDGE ABUTTING RELATION AND EXTENDING GENERALLY BETWEEN SAID END WALLS, PIVOT MEANS CARRIED BY SAID MOUNTING BRACKET SUPPORTING SAID SEGMENTAL GATES FOR SWINGING MOVEMENT BETWEEN OPEN AND CLOSED POSITIONS RELATIVE TO SAID DISCHARGE OPENING, EACH OF SAID SEGMENTAL GATES HAVING AN OUTWARDLY PROJECTING EDGE FLANGE ALONG ONE EDGE THEREOF TO FORM A SEAL WITH AN ADJACENT EDGE OF AN ADJACENT SEGMENTAL GATE WHEN THE ADJACENT SEGMENTAL GATE IS IN AN OPEN POSITION.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |