Patent US2547394A successfully refreshed from Google Patents.
US2547394A
Expired / Lapsed
US
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Pressure fitting for tube joints
Assignee: Chicago Forging and Manufacturing Co
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Filing: 1948-07-24
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Granted: 1951-04-03
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Expires: 1968-07-24
Abstract
No abstract record available.
Inventors
- 👤 Dibrell P Hynes
- 👤 Hugo H Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:41
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L27/00; F16L27/10; F16L27/1008; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22713E
Cited
US1440207A
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US1802572A
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US1822056A
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US2288506A
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US2475026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |