Patent EP0044988A2 successfully refreshed from Google Patents.
Patent US3120965A successfully refreshed from Google Patents.
US3120965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube connector
Assignee: Teck Metals Ltd
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Filing: 1960-06-20
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Granted: 1964-02-11
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Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 James A Macdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:51
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F16L41/023; A; A01; A01C; A01C7/00; A01C7/06; A01C7/20; A01C7/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CONNECTOR FOR A STRETCHABLE, TELESCOPIC, SPIRALLY WOUND FEED TUBE WHICH COMPRISES A RETRACTOR PLATE CONFORMABLE TO THE CONTOUR OF THE OUTER SURFACE OF SAID FEED TUBE, AN APERTURE IN SAID PLATE, RETRACTING MEANS PROVIDED ON THE INNER SURFACE OF SAID PLATE ON OPPOSITE SIDES OF THE APERTURE THEREOF TO SEPARATE AND RETAIN IN LONGITUDINALLY SEPARATED POSITION TWO ADJACENT TELESCOPIC, SPIRALLY WOUND SECTIONS OF SAID FEED TUBE AND THEREBY PROVIDE AN OPENING INTO SAID FEED TUBE IN ALIGNMENT WITH SAID APERTURE, CLAMPING MEANS CONFORMABLE TO THE CONTOUR OF THE OUTER SURFACES OF SAID FEED TUBE AND SAID RETRACTOR PLATE, AND A TUBULAR MEMBER EXTENDING OUTWARDLY FROM SAID CLAMPING MEANS, SAID CLAMPING MEANS OVERLYING SAID RETRACTOR PLATE, AND MEANS FOR SECURING SAID CLAMPING MEANS TO SAID SPIRALLY WOUND FEED TUBE.
Claim 2
Dependent Claim
129 words
A CONNECTOR FOR A STRETCHABLE, TELESCOPIC, SPIRALLY WOUND FEED TUBE WHICH COMPRISES A RETRACTOR PLATE CONFORMABLE TO THE CONTOUR OF THE OUTER SURFACE OF SAID FEED TUBE, AN APERTURE IN SAID PLATE, RETRACTING MEANS PROVIDED ON THE INNER SURFACE OF SAID PLATE ON OPPOSITE SIDES OF THE APERTURE THEREOF TO SEPARATE AND RETAIN IN LONGITUDINALLY SEPARATED POSITION TWO ADJACENT TELESCOPIC, SPIRALLY WOUND SECTIONS OF SAID FEED TUBE AND THEREBY PROVIDE AN OPENING INTO SAID FEED TUBE IN ALIGNMENT WITH SAID APERTURE, CLAMPING MEANS CONFORMABLE TO THE CONTOUR OF THE OUTER SURFACES OF SAID FEED TUBE AND SAID RETRACTOR PLATE, AND A TUBULAR MEMBER EXTENDING OUTWARDLY FROM SAID CLAMPING MEANS, SAID CLAMPING MEANS OVERLYING SAID RETRACTOR PLATE, AND MEANS FOR SECURING SAID CLAMPING MEANS TO SAID SPIRALLY WOUND FEED TUBE.
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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |