US3329448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe hanging apparatus
Assignee: Cooper Industries LLC
•
Filing: 1964-08-24
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Granted: 1967-07-04
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Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Allen Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:48
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/04; E21B33/0422
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
APPARATUS FOR HANGING A PIPE FROM A CONICAL SEAT, COMPRISING SLIP MEANS DISPOSABLE IN CIRCUMFERENTIALLY SPACED APART RELATION ABOUT THE PIPE ABOVE THE SEAT, EACH SLIP MEANS HAVING AN OUTER CONICAL SURFACE FOR LANDING ON THE CONICAL SEAT AND AN INNER CYLINDRICAL SIURFACE WITH MEANS THEREON FOR GRIPPING THE PIPE AND TRANSMITTING THE LOAD THEREOF TO THE OUTER SURFACE OF SAID SLIP MEANS SO AS TO CAUSE IT TO SLIDE INWARDLY AND DOWNWARDLY ALONG SAID SEAT, AN INTERMEDIATE SURFACE ON EACH SLIP MEANS OPPOSITE AN INTERMEDIATE SURFACE ON AN ADJACENT SLIP MEANS, AND FRICTION MEANS ON ONE OF SAID INTERMEDIATE SURFACES FOR GRIPPING SAID OPPOSITE INTERMEDIATE SURFACE TO LIMIT MOVEMENT OF SAID INTERMEDIATE SURFACES CIRCUMFERENTIALLY ALONG ONE ANOTHER DURING SLIDING OF SAID SLIP MEANS DOWN WARDLY ALONG SAID SEAT.
Claim 2
Dependent Claim
129 words
APPARATUS FOR HANGING A PIPE FROM A CONICAL SEAT, COMPRISING SLIP MEANS DISPOSABLE IN CIRCUMFERENTIALLY SPACED APART RELATION ABOUT THE PIPE ABOVE THE SEAT, EACH SLIP MEANS HAVING AN OUTER CONICAL SURFACE FOR LANDING ON THE CONICAL SEAT AND AN INNER CYLINDRICAL SIURFACE WITH MEANS THEREON FOR GRIPPING THE PIPE AND TRANSMITTING THE LOAD THEREOF TO THE OUTER SURFACE OF SAID SLIP MEANS SO AS TO CAUSE IT TO SLIDE INWARDLY AND DOWNWARDLY ALONG SAID SEAT, AN INTERMEDIATE SURFACE ON EACH SLIP MEANS OPPOSITE AN INTERMEDIATE SURFACE ON AN ADJACENT SLIP MEANS, AND FRICTION MEANS ON ONE OF SAID INTERMEDIATE SURFACES FOR GRIPPING SAID OPPOSITE INTERMEDIATE SURFACE TO LIMIT MOVEMENT OF SAID INTERMEDIATE SURFACES CIRCUMFERENTIALLY ALONG ONE ANOTHER DURING SLIDING OF SAID SLIP MEANS DOWN WARDLY ALONG SAID SEAT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |