US3254764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Green lumber sorter
Assignee: Weyerhaeuser Co
•
Filing: 1963-06-18
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Granted: 1966-06-07
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Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 John S Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:40
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/12; B07C5/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
134 words
A LUMBER SORTER AND CONVEYOR, COMPRISING: AN ELONGATED FRAME PROVIDING A PLURALITY OF BIAS ADAPTED TO RECEIVE GRADED LUMBER; A PAIR OF SPACED APART ENDLESS CHAIN MEMBERS MOUNTED ON UPPER AND LOWER TRACK MEMBERS; CARRIER BARS CONNECTED TO SAID CHAIN MEMBERS ADAPTED TO CARRY LUMBER; RAKE MEANS ADAPTED TO EJECT THE LUMBER INTO A RESPECTIVE BIN; MEANS TO RECLAIM LUMBER IN THE EVENT SAID RAKE MEANS FAILS TO EJECT THE LUMBER IN ONE OF SAID BINS; SAID RECLAIMING MEANS INCLUDING: A RECEIVING ARM ADAPTED TO RECEIVE SAID LUMBER TO BE RECLAIMED, AN ARCUATE SLIDE PORTION TO AID IN GUIDING SAID LUMBER BACK ONTO SAID ENDLESS CHAIN IN SAID UPPER TRACK, MEANS TO MOVE SAID LUMBER TO BE RECLAIMED AROUND SAID ARCUATE SLIDE PORTION, AND BOOSTER MEANS TO AID IN PUSHING SAID LUMBER AROUND CHAIN.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |