US3097011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe tongs
Assignee: Individual
•
Filing: 1960-05-31
•
Granted: 1963-07-09
•
Expires: 1980-05-31
Abstract
No abstract record available.
Inventors
- 👤 Foster Robert Don
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:55
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
PIPE TONGS COMPRISING, AN ARCUATE BODY HAVING A PAIR OF PIPE ENGAGING SHOES MOUNTED THEREON FOR ENGAGING A PIPE AT CIRCUMFERENTIALLY SPACED POINTS ON ONE SIDE OF THE LONGITUDINAL CENTRAL AXIS OF THE PIPE, SAID BODY ALSO HAVING ANOTHER PIPE ENGAGING SHOE THEREON AT AN INTERMEDIATE POINT BETWEEN SAID PAIR OF PIPE ENGAGING SHOES FOR ENGAGING THE PIPE AT A POINT ON THE OTHER SIDE OF THE LONGITUDINAL CENTRAL AXIS OF THE PIPE SAID PIPE ENGAGING MEANS ACTING TO ROTATE THE ENGAGED PIPE ABOUT ITS LONGI-UDINAL TUDINAL CENTRAL AXIS AS IT IS LIFTED, PIVOT MEANS MOUNTING ONE OF SAID PAIR OF PIPE ENGAGING SHOES FOR PIVOTAL MOVEMENT WITH RESPECT TO SAID BODY FOR MOVEMENT INTO AND OUT OF GRIPPING ENGAGEMENT WITH THE PIPE, A LOCK MEMBER
Claim 2
Dependent Claim
126 words
PIPE TONGS COMPRISING, AN ARCUATE BODY HAVING A PAIR OF PIPE ENGAGING SHOES MOUNTED THEREON FOR ENGAGING A PIPE AT CIRCUMFERENTIALLY SPACED POINTS ON ONE SIDE OF THE LONGITUDINAL CENTRAL AXIS OF THE PIPE, SAID BODY ALSO HAVING ANOTHER PIPE ENGAGING SHOE THEREON AT AN INTERMEDIATE POINT BETWEEN SAID PAIR OF PIPE ENGAGING SHOES FOR ENGAGING THE PIPE AT A POINT ON THE OTHER SIDE OF THE LONGITUDINAL CENTRAL AXIS OF THE PIPE SAID PIPE ENGAGING MEANS ACTING TO ROTATE THE ENGAGED PIPE ABOUT ITS LONGI-UDINAL TUDINAL CENTRAL AXIS AS IT IS LIFTED, PIVOT MEANS MOUNTING ONE OF SAID PAIR OF PIPE ENGAGING SHOES FOR PIVOTAL MOVEMENT WITH RESPECT TO SAID BODY FOR MOVEMENT INTO AND OUT OF GRIPPING ENGAGEMENT WITH THE PIPE, A LOCK MEMBER
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |