Patent US3285669A successfully refreshed from Google Patents.
US3285669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding and extracting apparatus and method
Assignee: Individual
•
Filing: 1964-05-20
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Granted: 1966-11-15
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Expires: 1984-05-20
Abstract
No abstract record available.
Inventors
- 👤 James D A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:45
CPC Classifications
D; D21; D21C; D21C7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A METHOD FOR TRANSFERRING FIBROUS MATERIAL AND THE LIKE FROM ONE LOCATION TO ANOTHER, SAID METHOD COMPRISING THE STEPS OF PROVIDING A CYLINDRICAL MEMBER HAVING AN INLET OPENING AND AN OUTLET OPENING, SAID CYLINDRICAL MEMBER PROVIDING A PASSAGE FOR THE MOVEMENT OF FIRST AND SECOND SEPARATELY OPERATED PISTONS, MOVING SAID FIRST PISTON TO CLOSE OFF THE PASSAGE FROM SAID OUTLET OPENING TO SAID SECOND PISTON AND MOVING SAID SECOND PISTON TO OPEN SAID INLET OPENING WHEREBY SAID INLET OPENINGS IS SITUATED BETWEEN SAID PISTONS INTRODUCING SAID MATERIAL INTO SAID CYLINDRICAL MEMBER THROUGH SAID INLET OPENING, MOVING SAID SECOND PISTON TOWARD SAID FIRST PISTON TO CLOSE OFF SAID INLET OPENING WITH SAID MATERIAL BEING DISPOSED BETWEEN SAID PISTONS, SLIGHTLY COMPACTING SAID MATERIAL BETWEEN SAID PISTONS AND REMOVING EXCESS FLUIDS FROM SAID MATERIALS DURING SAID COMPACTING OPERATION, MOVING EACH OF SAID PISTONS TO OPEN SAID OUTLET OPENING AND TO EFFECT PASSAGE OF SAID MATERIAL FROM BE-
Claim 2
Independent Claim
154 words
A METHOD FOR TRANSFERRING FIBROUS MATERIAL AND THE LIKE FROM ONE LOCATION TO ANOTHER, SAID METHOD COMPRISING THE STEPS OF PROVIDING A CYLINDRICAL MEMBER HAVING AN INLET OPENING AND AN OUTLET OPENING, SAID CYLINDRICAL MEMBER PROVIDING A PASSAGE FOR THE MOVEMENT OF FIRST AND SECOND SEPARATELY OPERATED PISTONS, MOVING SAID FIRST PISTON TO CLOSE OFF THE PASSAGE FROM SAID OUTLET OPENING TO SAID SECOND PISTON AND MOVING SAID SECOND PISTON TO OPEN SAID INLET OPENING WHEREBY SAID INLET OPENINGS IS SITUATED BETWEEN SAID PISTONS INTRODUCING SAID MATERIAL INTO SAID CYLINDRICAL MEMBER THROUGH SAID INLET OPENING, MOVING SAID SECOND PISTON TOWARD SAID FIRST PISTON TO CLOSE OFF SAID INLET OPENING WITH SAID MATERIAL BEING DISPOSED BETWEEN SAID PISTONS, SLIGHTLY COMPACTING SAID MATERIAL BETWEEN SAID PISTONS AND REMOVING EXCESS FLUIDS FROM SAID MATERIALS DURING SAID COMPACTING OPERATION, MOVING EACH OF SAID PISTONS TO OPEN SAID OUTLET OPENING AND TO EFFECT PASSAGE OF SAID MATERIAL FROM BE-
References Cited (Backward Citations)
DE888839C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |