Patent US2848135A successfully refreshed from Google Patents.
US2848135A
Expired / Lapsed
US
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Coupling nose fitting
Assignee: Mcdowell Manufacturing Co
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Filing: 1957-07-03
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Granted: 1958-08-19
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Expires: 1977-07-03
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Rickard
- 👤 Gustav A Hempel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:39
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/092; F16L17/00; F16L17/02; F16L17/03; F16L17/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US953844A
Cited
US1602792A
Cited
US2000947A
Cited
US2191015A
Cited
US2463981A
Cited
US2709092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |