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Patent US3222921A successfully refreshed from Google Patents.
US3222921A
Expired / Lapsed
US
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Double seam testing device
Assignee: Continental Can Co Inc
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Filing: 1962-12-13
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Granted: 1965-12-14
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Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 Warren F Schreiber
- 👤 James M Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:22
CPC Classifications
G; G01; G01N; G01N3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A CAN SEAM COMPRESSION TESTING DEVICE FOR TESTING A CAN SEAM OF THE TYPE INCLUDING WALL PORTIONS AND AT LEAST A SINGLE SPACE THEREBETWEEN, SAID DEVICE COMPRISING A BACKING MEMBER, SEAM CLAMP MEANS MOUNTED FOR MOVEMENT TOWARDS AND AWAY FROM SAID BACKING MEMBER FOR COOPERATION WITH SAID BACKING MEMBER FOR CLAMPING A CAN SEAM THEREBETWEEN, SEAM GAGING PROBE MEANS MOUNTED FOR MOVEMENT RELATIVE TO SAID CLAMP, SAID PROBE MEANS BEING MOVABLE TOWARD SAID BACKING MEMBER FOR MOVING THE WALL PORTIONS OF THE CAM SEAM TOWARD EACH OTHER
Claim 2
Dependent Claim
87 words
A CAN SEAM COMPRESSION TESTING DEVICE FOR TESTING A CAN SEAM OF THE TYPE INCLUDING WALL PORTIONS AND AT LEAST A SINGLE SPACE THEREBETWEEN, SAID DEVICE COMPRISING A BACKING MEMBER, SEAM CLAMP MEANS MOUNTED FOR MOVEMENT TOWARDS AND AWAY FROM SAID BACKING MEMBER FOR COOPERATION WITH SAID BACKING MEMBER FOR CLAMPING A CAN SEAM THEREBETWEEN, SEAM GAGING PROBE MEANS MOUNTED FOR MOVEMENT RELATIVE TO SAID CLAMP, SAID PROBE MEANS BEING MOVABLE TOWARD SAID BACKING MEMBER FOR MOVING THE WALL PORTIONS OF THE CAM SEAM TOWARD EACH OTHER
References Cited (Backward Citations)
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Cited
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |