US3195907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing with frangible support
Assignee: Wyatt Industries Inc
•
Filing: 1962-01-19
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Granted: 1965-07-20
•
Expires: 1982-01-19
Abstract
No abstract record available.
Inventors
- 👤 Carl J Eckenrod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:51
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; Y; Y10; Y10S; Y10S277/00; Y10S277/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PACKING COMPRISING AN ANNULAR BODY SUBSTANTIALLY OF RESILIENT SEALING MATERIAL HAVING A SIDE WALL FOR SEALINGLY ENGAGING A CYLINDRICAL COMPANION SURFACE AND AN END WALL FOR RECEIVING AXIAL FORCES APPLIED TO SAID BODY AND A PLASTIC BACK-UP RING EMBEDDED IN SAID END WALL AND WITH ITS EDGE LOCATED SUBSTANTIALLY FLUSH WITH SAID SIDE WALL FOR RESISTING EDGEWISE DEFORMATION OF SAID BODY MATERIAL UPON APPLICATION OF AXIAL FORCES THERETO, SAID RING, INITIALLY, BEING UNITARY AND HAVING FRANGIBLE WEAKENED REGIONS EXTENDING THEREACROSS AND EFFECTIVE TO ENABLE SAID RING TO BE FRACTURED UPON APPLICATION OF AXIAL FORCES TO SAID BODY TO CAUSE RADIAL EXPANSION THEREOF.
Claim 2
Dependent Claim
103 words
A PACKING COMPRISING AN ANNULAR BODY SUBSTANTIALLY OF RESILIENT SEALING MATERIAL HAVING A SIDE WALL FOR SEALINGLY ENGAGING A CYLINDRICAL COMPANION SURFACE AND AN END WALL FOR RECEIVING AXIAL FORCES APPLIED TO SAID BODY AND A PLASTIC BACK-UP RING EMBEDDED IN SAID END WALL AND WITH ITS EDGE LOCATED SUBSTANTIALLY FLUSH WITH SAID SIDE WALL FOR RESISTING EDGEWISE DEFORMATION OF SAID BODY MATERIAL UPON APPLICATION OF AXIAL FORCES THERETO, SAID RING, INITIALLY, BEING UNITARY AND HAVING FRANGIBLE WEAKENED REGIONS EXTENDING THEREACROSS AND EFFECTIVE TO ENABLE SAID RING TO BE FRACTURED UPON APPLICATION OF AXIAL FORCES TO SAID BODY TO CAUSE RADIAL EXPANSION THEREOF.
References Cited (Backward Citations)
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Cited
US2050620A
Cited
US2305276A
Cited
US2448147A
Cited
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Cited
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Cited
US2765023A
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |