US3080042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lumber feeder for random lengths and widths
Assignee: Weyerhaeuser Co
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Filing: 1961-10-27
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Granted: 1963-03-05
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Expires: 1981-10-27
Abstract
No abstract record available.
Inventors
- 👤 Charles A Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:13
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/26; B65G47/28; B65G47/29
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
IN A LUMBER FEEDER, A PLURALITY OF SMOOTH CONVEYOR CHAINS ARRANGED TO CARRY BOARDS IN EDGEWISE MOVEMENT, A STOP ENGAGEABLE WITH A LEADING BOARD TO STOP SAID MOVEMENT, A FEED ROLLER ADJACENT SAID STOP, MEANS TO RETRACT SAID STOP AND ENGAGE THE LEADING EDGE PORTION ONLY OF SAID LEADING BOARD WITH SAID FEED ROLLER, AND MEANS ACTUATED BY SAID STOP TO LIFT A PLURALITY OF BOARDS BEHIND SAID LEADING BOARD OFF SAID CONVEYOR CHAINS WHILE SAID STOP IS RETRACTED.
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |