Patent US2419642A successfully refreshed from Google Patents.
US2419642A
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US
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Pipe coupling
Assignee: Individual
•
Filing: 1945-08-17
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Granted: 1947-04-29
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Expires: 1965-08-17
Abstract
No abstract record available.
Inventors
- 👤 Guy J Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:01
CPC Classifications
F; F16; F16L; F16L29/00; F16L29/04; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949; Y10T137/87957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US373256A
Cited
US803648A
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US747733A
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US1013418A
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US1542173A
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US1796077A
Cited
US2061012A
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US2359648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |