Patent US4331003A successfully refreshed from Google Patents.
Patent US3322291A successfully refreshed from Google Patents.
US3322291A
Expired / Lapsed
US
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Pipe handling conveyor
Assignee: Amsted Industries Inc
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Filing: 1966-08-22
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Granted: 1967-05-30
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Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Carl K Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:19
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/24; B65G47/248; B65G13/00; B65G13/11; B65G13/12; B65G2201/00; B65G2201/02; B65G2201/0276
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
APPARATUS OF THE CHARACTER DISCLOSED FOR CONVEYING PIPE HELICALLY ALONG AN AXIS, COMPRISING MEANS FOR SO MOVING THE PIPE AND SUPPORTING ROLLERS INCLUDING A PLURALITY OF PAIRS OF ROLLERS SPACED ALONG SAID AXIS, THOSE ROLLERS OF EACH PAIR BEING ON OPPOSITE SIDES OF THE VERTICAL PLANE CONTAINING THE AXIS OF THE PIPE, WHEREBY THE ROLLERS FORM MEANS FOR SUPPORTING THE PIPE, AND MEANS FOR ADJUSTING THE ROLLERS OF EACH PAIR TOWARD AND FROM EACH OTHER, AND CONSEQUENTLY THERETO, ADJUSTING THE ROLLERS ABOUT AXES PERPENDICULAR TO THE AXIS OF THE PIPE AND THEREBY ALIGNING THE ROLLERS ACCORDING TO DIFFERENT PREDETERMINED HELICAL PATHS.
Claim 2
Dependent Claim
101 words
APPARATUS OF THE CHARACTER DISCLOSED FOR CONVEYING PIPE HELICALLY ALONG AN AXIS, COMPRISING MEANS FOR SO MOVING THE PIPE AND SUPPORTING ROLLERS INCLUDING A PLURALITY OF PAIRS OF ROLLERS SPACED ALONG SAID AXIS, THOSE ROLLERS OF EACH PAIR BEING ON OPPOSITE SIDES OF THE VERTICAL PLANE CONTAINING THE AXIS OF THE PIPE, WHEREBY THE ROLLERS FORM MEANS FOR SUPPORTING THE PIPE, AND MEANS FOR ADJUSTING THE ROLLERS OF EACH PAIR TOWARD AND FROM EACH OTHER, AND CONSEQUENTLY THERETO, ADJUSTING THE ROLLERS ABOUT AXES PERPENDICULAR TO THE AXIS OF THE PIPE AND THEREBY ALIGNING THE ROLLERS ACCORDING TO DIFFERENT PREDETERMINED HELICAL PATHS.
References Cited (Backward Citations)
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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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |