Patent US2587544A successfully refreshed from Google Patents.
US2587544A
Expired / Lapsed
US
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Threaded joint capable of being quickly made and broken
Assignee: United States Steel Corp
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Filing: 1948-06-01
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Granted: 1952-02-26
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Expires: 1968-06-01
Abstract
No abstract record available.
Inventors
- 👤 Sneddon John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:36
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/001; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/042; E21B17/0423; F16L15/002; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1927656A
Cited
US2206166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |