Patent US3332572A successfully refreshed from Google Patents.
US3332572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing plug
Assignee: United Carr Inc
•
Filing: 1964-10-14
•
Granted: 1967-07-25
•
Expires: 1984-10-14
Abstract
No abstract record available.
Inventors
- 👤 Green John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:55
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/06; F16J; F16J13/00; F16J15/00; F16J15/02; F16J15/06; F16J15/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A TWO-PART SEALING PLUG FOR ASSEMBLY IN AN APERTURE IN A SUPPORT WHEREIN EACH OF THE TWO PARTS OF THE PLUG IS FORMED OF RESILIENT MATERIAL, FOR EXAMPLE, SYNTHETIC PLASTICS, AND EACH INCLUDES A SHANK CLOSED AT ONE END WHICH END IS PROVIDED WITH A RESILIENT RADIAL FLANGE, THE SHANK OF ONE PART BEING HOLLOW AND HAVING A PROJECTION ON ITS INNER SURFACE, AND THE SHANK OF THE OTHER PART BEING OF LESS DIAMETER THAN AND BEING INSERTABLE INTO THE HOLLOW SHANK OF THE SAID ONE PART AND HAVING A PROJECTION ON ITS OUTER SURFACE FOR CO-OPERATIVE ENGAGEMENT WITH THE PROJECTION ON THE HOLLOW SHANK.
Claim 2
Dependent Claim
105 words
A TWO-PART SEALING PLUG FOR ASSEMBLY IN AN APERTURE IN A SUPPORT WHEREIN EACH OF THE TWO PARTS OF THE PLUG IS FORMED OF RESILIENT MATERIAL, FOR EXAMPLE, SYNTHETIC PLASTICS, AND EACH INCLUDES A SHANK CLOSED AT ONE END WHICH END IS PROVIDED WITH A RESILIENT RADIAL FLANGE, THE SHANK OF ONE PART BEING HOLLOW AND HAVING A PROJECTION ON ITS INNER SURFACE, AND THE SHANK OF THE OTHER PART BEING OF LESS DIAMETER THAN AND BEING INSERTABLE INTO THE HOLLOW SHANK OF THE SAID ONE PART AND HAVING A PROJECTION ON ITS OUTER SURFACE FOR CO-OPERATIVE ENGAGEMENT WITH THE PROJECTION ON THE HOLLOW SHANK.
References Cited (Backward Citations)
US2249381A
Cited
US3115981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |