US3081888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic stick placer for lumber stacks
Assignee: LAWSON STACKER CO Inc
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Filing: 1960-02-01
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Granted: 1963-03-19
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Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:23
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/005; B65G59/00; B65G59/06; B65G59/067
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
160 words
IN COMBINATION WITH MEANS FOR DELIVERING AND DEPOSITING SUCCESSIVE LAYERS OF LUMBER ON A LUMBER STACK, A STICK PLACER DEVICE ADAPTED TO ACCURATELY PLACE SPACING STICKS UPON THE UPPERMOST LAYER OF LUMBER IN A LUMBER STACK, SAID PLACER INCLUDING A VERTICALLY RECIPROCABLE CARRIAGE, MEANS FOR CAUSING AND CONTROLLING UP AND DOWN MOVEMENT OF SAID CARRIAGE, A PLURALITY OF STICK-HANDLING MAGAZINE MEANS MOUNTED ON SAID CARRIAGE, A SUPPLY OF SPACING STICKS STACKED IN SAID MAGAZINE MEANS, MEANS CONNECTED RESPECTIVELY TO SAID MAGAZINE MEANS ENGAGING THE LOWERMOST STICK FOR EXTENDING SAID LOWERMOST STICK AWAY FROM THE RESPECTIVE SAID MAGAZINE MEANS WHILE SAID CARRIAGE IS UP AWAY FROM SAID STACK FOR ACCESS OF SAID DELIVERING MEANS TO SAID STACK AND FOR PLACING THE RESPECTIVE EXTENDED STICKS UPON THE LUMBER STACK WHEN SAID CARRIAGE IS LOWERED INTO PROXIMITY WITH SAID STACK, AND MEANS CARRIED BY SAID CARRIAGE EFFECTING SAID PLACING SUBSTANTIALLY CONCURRENTLY WITH INTERRUPTION OF CARRIAGE DOWN MOVEMENT IN PROXIMITY TO THE LUMBER STACK.
References Cited (Backward Citations)
US674262A
Cited
US2838188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |