Patent US3370722A successfully refreshed from Google Patents.
US3370722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chaff and straw collecting and separating means for harvester combine
Assignee: PORTLAND WIRE AND IRON WORKS
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Filing: 1966-04-14
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Granted: 1968-02-27
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Expires: 1986-04-14
Abstract
No abstract record available.
Inventors
- 👤 Boris M Fingerut
- 👤 Fred E Kirby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:46
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/12; A01D41/1243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN IMPROVED BLOWER ASSEMBLY FOR SEPARATELY DISTRIBUTING TWO BLOWER-DISTRIBUTABLE MATERIALS DELIVERED INTO THE BLOWER SIMULTANEOUSLY, SAID ASSEMBLY COMPRISING A BLOWER HOUSING HAVING BOTTOM, SIDE AND TOP WALLS, SAID TOP WALL HAVING A CENTRAL IN-FEED OPENING INTO SAID HOUSING, A PAIR OF PARTIALLY FUNNEL-SHAPED GUIDEWAYS ON SAID HOUSING HAVING THEIR BOTTOM RIMS IN REGISTRATION WITH HALF PORTIONS RESPECTIVELY OF THE RIM OF SAID IN-FEED OPENING, AND A PAIR OF COVERED PASSAGEWAYS LEADING OUTWARDLY IN DIFFERENT DIRECTIONS FROM SAID SIDE WALL OF SAID HOUSING, SAID PASSAGEWAYS AND SAID GUIDEWAYS SO LOCATED AND POSITIONED THAT
Claim 2
Dependent Claim
92 words
AN IMPROVED BLOWER ASSEMBLY FOR SEPARATELY DISTRIBUTING TWO BLOWER-DISTRIBUTABLE MATERIALS DELIVERED INTO THE BLOWER SIMULTANEOUSLY, SAID ASSEMBLY COMPRISING A BLOWER HOUSING HAVING BOTTOM, SIDE AND TOP WALLS, SAID TOP WALL HAVING A CENTRAL IN-FEED OPENING INTO SAID HOUSING, A PAIR OF PARTIALLY FUNNEL-SHAPED GUIDEWAYS ON SAID HOUSING HAVING THEIR BOTTOM RIMS IN REGISTRATION WITH HALF PORTIONS RESPECTIVELY OF THE RIM OF SAID IN-FEED OPENING, AND A PAIR OF COVERED PASSAGEWAYS LEADING OUTWARDLY IN DIFFERENT DIRECTIONS FROM SAID SIDE WALL OF SAID HOUSING, SAID PASSAGEWAYS AND SAID GUIDEWAYS SO LOCATED AND POSITIONED THAT
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |