US3281869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sink strainer assembly
Assignee: Corning Glass Works
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Filing: 1964-02-12
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Granted: 1966-11-01
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Schweigaard-Olsen Bertrand
- 👤 Harold R Wacenske
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:51
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/264
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A STRAINER ASSEMBLY COMPRISING A SECTION OF PIPE HAVING AN OUTWARDLY FLARED END PORTION, SAID END PORTION BEING FIXED BETWEEN TWO RINGS, THE FIRST SAID RING HAVING AN INNER DIAMETER LESS THAN THE DIAMETER OF SAID FLARED END PORITON AND BEARING UPON THE SURFACE OF SAID END PORTION ADJACNET TO THE MAIN BODY OF SAID PIPE SECTION AND THE SECOND SAID RING BEARING UPON THE OPOSITE SIDE OF SAID FLARED END PORTION AND EXTENDING AT LEAST PARTIALLY AROUND A PORTION OF SAID FIRST RING IN THE DIRECTION OF SAID MAIN BODY OF SAID PIPE SECTION IN ORDER TO LOCK SAID FLARED END PORTION BETWEEN SAID RINGS, AND LOCATED WITHIN SAID PIPE SECTION A STRAINER DEPENDING FROM SAID SECOND RING.
Claim 2
Dependent Claim
119 words
A STRAINER ASSEMBLY COMPRISING A SECTION OF PIPE HAVING AN OUTWARDLY FLARED END PORTION, SAID END PORTION BEING FIXED BETWEEN TWO RINGS, THE FIRST SAID RING HAVING AN INNER DIAMETER LESS THAN THE DIAMETER OF SAID FLARED END PORITON AND BEARING UPON THE SURFACE OF SAID END PORTION ADJACNET TO THE MAIN BODY OF SAID PIPE SECTION AND THE SECOND SAID RING BEARING UPON THE OPOSITE SIDE OF SAID FLARED END PORTION AND EXTENDING AT LEAST PARTIALLY AROUND A PORTION OF SAID FIRST RING IN THE DIRECTION OF SAID MAIN BODY OF SAID PIPE SECTION IN ORDER TO LOCK SAID FLARED END PORTION BETWEEN SAID RINGS, AND LOCATED WITHIN SAID PIPE SECTION A STRAINER DEPENDING FROM SAID SECOND RING.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |