US3236175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating liquid from solid material
Assignee: FMC Corp
•
Filing: 1964-06-29
•
Granted: 1966-02-22
•
Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Wilber C Belk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:39
CPC Classifications
A; A23; A23N; A23N1/00; A23N1/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PLUNGER ADAPTED FOR RECIPROCATING MOVEMENT IN A PERFORATED CYLINDRICAL STRAINER TUBE, SAID PLUNGER COMPRISING A TUBULAR BODY MEMBER HAVING RELATIVELY LARGE WINDOW OPENINGS IN THE SIDE WALL THEREOF ESTABLISHING COMMUNICATION BETWEEN THE INTERIOR OF SAID BODY MEMBER AND THE PERFORATIONS IN THE TUBE, AND A PAIR OF BEARING RINGS REMOVABLY SECURED TO THE EXTERIOR SURFACE OF SAID BODY MEMBER, ONE RING ON EACH SIDE OF SAID WINDOW OPENINGS.
Claim 2
Dependent Claim
69 words
A PLUNGER ADAPTED FOR RECIPROCATING MOVEMENT IN A PERFORATED CYLINDRICAL STRAINER TUBE, SAID PLUNGER COMPRISING A TUBULAR BODY MEMBER HAVING RELATIVELY LARGE WINDOW OPENINGS IN THE SIDE WALL THEREOF ESTABLISHING COMMUNICATION BETWEEN THE INTERIOR OF SAID BODY MEMBER AND THE PERFORATIONS IN THE TUBE, AND A PAIR OF BEARING RINGS REMOVABLY SECURED TO THE EXTERIOR SURFACE OF SAID BODY MEMBER, ONE RING ON EACH SIDE OF SAID WINDOW OPENINGS.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |