Patent US3237246A successfully refreshed from Google Patents.
US3237246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storeyed presses
Assignee: Motala Verkstad AB
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Filing: 1963-03-26
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Granted: 1966-03-01
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Expires: 1983-03-26
Abstract
No abstract record available.
Inventors
- 👤 Bengt J Carlsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:08
CPC Classifications
B; B30; B30B; B30B7/00; B30B7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A MULTI-STOREYED PRESS HAVING AN UPWARDLY POSITIONED STATIONARY HEAD PLATE, A MOVABLE LOWER CROSS HEAD, AND A VERTICAL SERIES OF PRESS PLATENS ADAPTED TO SUPPORT THE MATERIAL TO BE COMPRESSED, AND MEANS FOR MOVING SAID LOWER CROSS HEAD UPWARDLY TO FIRST CAUSE THE PLATENS TO CLOSE UPON EACH OTHER AND SECONDLY TO ULTIMATELY COMPRESSTHE MATERIAL BETWEEN THE PLATENS BY A FINAL PRESSING MOVEMENT AGAINST THE HEAD PLATE; THE COMBINATION OF BALANCING MEANS DISPOSED ADJACENT THE POSITIONS THE SEVERAL PLATENS OCCUPY DURING THE LATTER OF SAID MOVEMENTS, AND ADAPTED TO SEVERALLY ENGAGE AT LEAST SOME OF SAID PLATENS AND EXERT AN UPWARDLY DIRECTED LIFTING FORCE UPON SAID PLATENS IN ORDER TO BALANCE AT LEAST SOME OF THE WEIGHT OF THE PLATENS DURING THE LATTER ACTUAL COMPRESSING MOVEMENT, AND WITHOUT OBSTRUCTING THE PRESSING MOVEMENT OF THE CROSS HEAD AND PLATENS.
Claim 2
Dependent Claim
139 words
IN A MULTI-STOREYED PRESS HAVING AN UPWARDLY POSITIONED STATIONARY HEAD PLATE, A MOVABLE LOWER CROSS HEAD, AND A VERTICAL SERIES OF PRESS PLATENS ADAPTED TO SUPPORT THE MATERIAL TO BE COMPRESSED, AND MEANS FOR MOVING SAID LOWER CROSS HEAD UPWARDLY TO FIRST CAUSE THE PLATENS TO CLOSE UPON EACH OTHER AND SECONDLY TO ULTIMATELY COMPRESSTHE MATERIAL BETWEEN THE PLATENS BY A FINAL PRESSING MOVEMENT AGAINST THE HEAD PLATE; THE COMBINATION OF BALANCING MEANS DISPOSED ADJACENT THE POSITIONS THE SEVERAL PLATENS OCCUPY DURING THE LATTER OF SAID MOVEMENTS, AND ADAPTED TO SEVERALLY ENGAGE AT LEAST SOME OF SAID PLATENS AND EXERT AN UPWARDLY DIRECTED LIFTING FORCE UPON SAID PLATENS IN ORDER TO BALANCE AT LEAST SOME OF THE WEIGHT OF THE PLATENS DURING THE LATTER ACTUAL COMPRESSING MOVEMENT, AND WITHOUT OBSTRUCTING THE PRESSING MOVEMENT OF THE CROSS HEAD AND PLATENS.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |