Patent US4050700A successfully refreshed from Google Patents.
US4050700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal having fluent packing material
Assignee: Individual
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Filing: 1975-10-06
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Granted: 1977-09-27
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Expires: 1995-10-06
Abstract
Abstract A seal made of one or more formed sealant receiving grooves, a fitting connected into the groove or grooves to allow sealant to be injected therethrough and a sealant material that can be injected through the fitting into the groove or grooves and that will retain its fluid characteristics while remaining in its assigned position.
Inventors
- 👤 Henry R. Lifferth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:34
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/02; F16J; F16J15/00; F16J15/02; F16J15/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A seal adapted to prevent flow between interconnected members, comprising a pair of abutting members in face to face relationship; a third member extending transversely to the junction between the pair of members and abutting said members; a first groove extending fully between the pair of abutting members and another groove formed by a chamfered edge of one of said abutting members, said other groove being in communication with the first groove and in communication with the third member; a fitting adapted to receive a liquid sealant under pressure; means interconnecting the fitting and one of said grooves; and a liquid sealant injected through the fitting and filling said interconnected grooves.
Claim 2
Dependent Claim
111 words
A seal adapted to prevent flow between interconnected members, comprising a pair of abutting members in face to face relationship; a third member extending transversely to the junction between the pair of members and abutting said members; a first groove extending fully between the pair of abutting members and another groove formed by a chamfered edge of one of said abutting members, said other groove being in communication with the first groove and in communication with the third member; a fitting adapted to receive a liquid sealant under pressure; means interconnecting the fitting and one of said grooves; and a liquid sealant injected through the fitting and filling said interconnected grooves.
References Cited (Backward Citations)
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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) | 1980-09-26 | 1981-03-28 | 1981-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-26 | 1985-03-28 | 1985-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-26 | 1989-03-28 | 1989-09-27 | $7700.00 | Window Closed / Lapsed |