Patent US5481743A successfully refreshed from Google Patents.
Patent US3260098A successfully refreshed from Google Patents.
US3260098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for closing and opening a metal tube
Assignee: Individual
•
Filing: 1963-09-06
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Granted: 1966-07-12
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Expires: 1983-09-06
Abstract
No abstract record available.
Inventors
- 👤 John B Gill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:37
CPC Classifications
B; B21; B21D; B21D41/00; B21D41/04; B21D41/045; F; F16; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A SHUT-OFF TOOL FOR PINCHING CLOSED AND SQUEEZING OPEN A DEFORMABLE METAL TUBE, COMPRISING A FIRST SECTION CONTAINING A FIRST DIE MEMBER ROTATABLY MOUNTED THEREIN, A SECOND SECTION CONTAINING A SECOND DIE MEMBER ROTATABLY MOUNTED THEREIN, SAID FIRST AND SECOND DIE MEMBERS EACH CONTAINING A PIPE CLOSING DIE SURFACE AND A PIPE OPENING DIE SURFACE ON THE OPPOSITE SIDE THEREOF, LOCK MEANS ON EACH OF SAID FIRST AND SECOND SECTIONS FOR HOLDING THE DIE SURFACES OF THE DIE MEMBERS IN OPERATIVE POSITION FOR CLOSING THE TUBE AND IN OPERATIVE POSITION FOR OPENING THE TUBE, MOUNTING MEANS FOR HOLDING THE FIRST AND SECOND SECTIONS IN SPACED RELATION, AND SCREW MEANS ENGAGING THE MOUNTING MEANS FOR MOVING THE FIRST AND SECOND SECTION RELATIVELY TOWARD EACH OTHER WITH A CLAMPING FORCE TO PROVIDE PINCHING AND SQEEZING FORCES ON
Claim 2
Dependent Claim
135 words
A SHUT-OFF TOOL FOR PINCHING CLOSED AND SQUEEZING OPEN A DEFORMABLE METAL TUBE, COMPRISING A FIRST SECTION CONTAINING A FIRST DIE MEMBER ROTATABLY MOUNTED THEREIN, A SECOND SECTION CONTAINING A SECOND DIE MEMBER ROTATABLY MOUNTED THEREIN, SAID FIRST AND SECOND DIE MEMBERS EACH CONTAINING A PIPE CLOSING DIE SURFACE AND A PIPE OPENING DIE SURFACE ON THE OPPOSITE SIDE THEREOF, LOCK MEANS ON EACH OF SAID FIRST AND SECOND SECTIONS FOR HOLDING THE DIE SURFACES OF THE DIE MEMBERS IN OPERATIVE POSITION FOR CLOSING THE TUBE AND IN OPERATIVE POSITION FOR OPENING THE TUBE, MOUNTING MEANS FOR HOLDING THE FIRST AND SECOND SECTIONS IN SPACED RELATION, AND SCREW MEANS ENGAGING THE MOUNTING MEANS FOR MOVING THE FIRST AND SECOND SECTION RELATIVELY TOWARD EACH OTHER WITH A CLAMPING FORCE TO PROVIDE PINCHING AND SQEEZING FORCES ON
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |