Patent US2514817A successfully refreshed from Google Patents.
US2514817A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for wiping mud and the like from pipes
Assignee: BYRON H BARNES
•
Filing: 1947-02-18
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Granted: 1950-07-11
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Expires: 1967-02-18
Abstract
No abstract record available.
Inventors
- 👤 Ray O Wheaton
- 👤 William H Wilde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:10
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/08; F; F16; F16L; F16L2101/00; F16L2101/10; F16L2101/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1868794A
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US2029855A
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US2125742A
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US2215377A
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US2272395A
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US2255829A
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US2328127A
Cited
GB554331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |