Patent US2664303A successfully refreshed from Google Patents.
US2664303A
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US
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Cone and socket pipe joint with cooperating locking lug
Assignee: Edwards High Vacuum Ltd
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Filing: 1950-12-04
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Granted: 1953-12-29
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Expires: 1970-12-04
Abstract
No abstract record available.
Inventors
- 👤 Mansfield Ernest John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:27
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/02; F16K5/025; F16K5/0292; F16L; F16L37/00; F16L37/08; F16L37/10; F16L37/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US936566A
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US1052288A
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US1218539A
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US1372628A
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US1801872A
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US1810091A
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US1787734A
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US2218756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |