Patent US2738071A successfully refreshed from Google Patents.
US2738071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Macklin
Assignee: —
•
Filing: —
•
Granted: 1956-03-13
•
Expires: 1973-03-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:58
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/02; B03B5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A CONCENTRATING TABLE COMPRISING AN ELONGATED DECK HAVING A FEED PORTION FOR PULP AND WATER AT ITS FORWARD END AND DEFINED BY UPSTANDING WALLS, AND A CONCENTRATING PORTION REARWARDLY OF THE FEED PORTION AND ONTO WHICH THE LATTER DELIVERS, THE CONCENTRATING PORTION OF THE DECK HAVING A ROW OF TRANSVERSE GROOVES DIAGONALING FROM SIDE TO SIDE, A LAUNDER INTO WHICH THE GROOVES AT ONE SIDE OF THE TABLE DELIVER, THE DECK AND GROOVES THEREIN FOR THE LENGTH OF THE LAUNDER HAVING A LATERALLY UPWARD SLOPE FOR A RELATIVELY SHORT PORTION OF THE WIDTH OF THE DECK TO SAID ONE SIDE, AND MEANS MOUNTING SAID UPWARDLY SLOPING PORTION OF THE DECK FOR ADJUSTMENT OF THE ANGLE OF SLOPE THEREOF RELATIVE TO THE REMAINING PORTION OF THE DECK.
Claim 2
Dependent Claim
126 words
A CONCENTRATING TABLE COMPRISING AN ELONGATED DECK HAVING A FEED PORTION FOR PULP AND WATER AT ITS FORWARD END AND DEFINED BY UPSTANDING WALLS, AND A CONCENTRATING PORTION REARWARDLY OF THE FEED PORTION AND ONTO WHICH THE LATTER DELIVERS, THE CONCENTRATING PORTION OF THE DECK HAVING A ROW OF TRANSVERSE GROOVES DIAGONALING FROM SIDE TO SIDE, A LAUNDER INTO WHICH THE GROOVES AT ONE SIDE OF THE TABLE DELIVER, THE DECK AND GROOVES THEREIN FOR THE LENGTH OF THE LAUNDER HAVING A LATERALLY UPWARD SLOPE FOR A RELATIVELY SHORT PORTION OF THE WIDTH OF THE DECK TO SAID ONE SIDE, AND MEANS MOUNTING SAID UPWARDLY SLOPING PORTION OF THE DECK FOR ADJUSTMENT OF THE ANGLE OF SLOPE THEREOF RELATIVE TO THE REMAINING PORTION OF THE DECK.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |