US3074180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood seasoning plants
Assignee: Mo och Domsjo AB
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Filing: 1959-06-19
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Granted: 1963-01-22
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Expires: 1979-06-19
Abstract
No abstract record available.
Inventors
- 👤 Ahlstedt Gunnar Lennart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:08
CPC Classifications
F; F26; F26B; F26B15/00; F26B2210/00; F26B2210/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A WOOD-SEASONING PLANT CONFINED BY A SHED HAVING VERTICAL WALLS AND A SUBSTANTIALLY HORIZONTAL ROOF FOR TREATING WOOD SUITABLY IN THE FORM OF BUNDLES BY MEANS OF HEATED AIR, SAID PLANT COMPRISING A NUMBER OF CONVEYORS EXTENDING PARALLELLY FROM ONE END OF SAID SHED TO THE OTHER END, THE ROOF BEING PROVIDED WITH AN OPENING THEREIN ABOVE ONE END OF EACH OF SAID CONVEYORS FOR ENABLING LOWERING SAID BUNDLES VERTICALLY ONTO THE RESPECTIVE CONVEYOR AND WITH ANOTHER OPENING IN THE ROOF ABOVE THE OTHER END OF EACH OF SAID CONVEYORS FOR ENABLING LIFTING SAID BUNDLES VERTICALLY FROM THE RESPECTIVE CONVEYORS SO AS TO ALLOW OPERATION OF THE PLANT WITHOUT ACCESS TO SAID VERTICAL WALLS, SAID OPENINGS BEING PROVIDED WITH CLOSABLE DOORS OPEN ONLY UPON LOADING OR UNLOADING RESPECTIVELY, AND VERTICAL PARTITIONS ARRANGED DELIMITING ADJACENT CONVEYOR SECTIONS AND AIR CHANNEL SECTIONS AND PROVIDED WITH HEATING MEANS AND FAN MEANS FOR FEEDING HEATED AIR TO THE ADJACENT CONVEYOR SECTION, SAID AIR CHANNEL SECTIONS HAVING A STRUCTURAL HEIGHT NOT EXCEEDING THE HEIGHT OF SAID CONVEYOR SECTIONS AND BEING IN HORIZONTAL REGISTER WITH THE LATTER SO AS TO OBTAIN A MINIMUM STRUCTURAL HEIGHT OF THE PLANT.
Claim 2
Dependent Claim
192 words
A WOOD-SEASONING PLANT CONFINED BY A SHED HAVING VERTICAL WALLS AND A SUBSTANTIALLY HORIZONTAL ROOF FOR TREATING WOOD SUITABLY IN THE FORM OF BUNDLES BY MEANS OF HEATED AIR, SAID PLANT COMPRISING A NUMBER OF CONVEYORS EXTENDING PARALLELLY FROM ONE END OF SAID SHED TO THE OTHER END, THE ROOF BEING PROVIDED WITH AN OPENING THEREIN ABOVE ONE END OF EACH OF SAID CONVEYORS FOR ENABLING LOWERING SAID BUNDLES VERTICALLY ONTO THE RESPECTIVE CONVEYOR AND WITH ANOTHER OPENING IN THE ROOF ABOVE THE OTHER END OF EACH OF SAID CONVEYORS FOR ENABLING LIFTING SAID BUNDLES VERTICALLY FROM THE RESPECTIVE CONVEYORS SO AS TO ALLOW OPERATION OF THE PLANT WITHOUT ACCESS TO SAID VERTICAL WALLS, SAID OPENINGS BEING PROVIDED WITH CLOSABLE DOORS OPEN ONLY UPON LOADING OR UNLOADING RESPECTIVELY, AND VERTICAL PARTITIONS ARRANGED DELIMITING ADJACENT CONVEYOR SECTIONS AND AIR CHANNEL SECTIONS AND PROVIDED WITH HEATING MEANS AND FAN MEANS FOR FEEDING HEATED AIR TO THE ADJACENT CONVEYOR SECTION, SAID AIR CHANNEL SECTIONS HAVING A STRUCTURAL HEIGHT NOT EXCEEDING THE HEIGHT OF SAID CONVEYOR SECTIONS AND BEING IN HORIZONTAL REGISTER WITH THE LATTER SO AS TO OBTAIN A MINIMUM STRUCTURAL HEIGHT OF THE PLANT.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |