Patent US3290971A successfully refreshed from Google Patents.
US3290971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toggle actuated tool having jaws for pipe alignment and clamping
Assignee: Individual
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Filing: 1964-12-11
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Granted: 1966-12-13
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Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Donald E Belval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:45
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/06; F16L1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A HAND TOOL FOR ALIGNING AND HOLDING A PAIR OF ENDABUTTING PIPE SECTIONS, SAID TOOL COMPRISING A PAIR OF PIVOTALLY CONNECTED JAWS FOR RECEIVING THE ADJACENT END PORTIONS OF THE PIPE SECTIONS THEREBETWEEN, SAID JAWS INCLUDING MEANS FOR ALIGNING THE PIPE SECTIONS, A FIXED HANDLE ON ONE OF THE JAWS, AND MEANS FOR ACTUATING THE OTHER OF SAID JAWS, THE FIRST-NAMED MEANS INCLUDING A PLURALITY OF SPACED, PARALLEL RODS ENGAGEABLE LONGITUDINALLY WITH THE PIPE SECTIONS AT CIRCUMFERENTIALLY SPACED POINTS AND ADAPTED TO BRIDGE THE ABUTTING ENDS THEREOF, CERTAIN OF THE RODS BEING ADJUSTABLE TOWARD AND AWAY FROM OTHERS OF THE RODS FOR ACCOMMODATING PIPE SECTIONS OF DIFFERENT SIZES, SAID JAWS FURTHER INCLUDING PAIRS OF PIVOTALLY CONNECTED ARMS, AND SLEEVES ON SAID CERTAIN
Claim 2
Dependent Claim
122 words
A HAND TOOL FOR ALIGNING AND HOLDING A PAIR OF ENDABUTTING PIPE SECTIONS, SAID TOOL COMPRISING A PAIR OF PIVOTALLY CONNECTED JAWS FOR RECEIVING THE ADJACENT END PORTIONS OF THE PIPE SECTIONS THEREBETWEEN, SAID JAWS INCLUDING MEANS FOR ALIGNING THE PIPE SECTIONS, A FIXED HANDLE ON ONE OF THE JAWS, AND MEANS FOR ACTUATING THE OTHER OF SAID JAWS, THE FIRST-NAMED MEANS INCLUDING A PLURALITY OF SPACED, PARALLEL RODS ENGAGEABLE LONGITUDINALLY WITH THE PIPE SECTIONS AT CIRCUMFERENTIALLY SPACED POINTS AND ADAPTED TO BRIDGE THE ABUTTING ENDS THEREOF, CERTAIN OF THE RODS BEING ADJUSTABLE TOWARD AND AWAY FROM OTHERS OF THE RODS FOR ACCOMMODATING PIPE SECTIONS OF DIFFERENT SIZES, SAID JAWS FURTHER INCLUDING PAIRS OF PIVOTALLY CONNECTED ARMS, AND SLEEVES ON SAID CERTAIN
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |