US2432308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit having annular ribs, a sump, and sediment directing means
Assignee: Individual
•
Filing: 1943-12-29
•
Granted: 1947-12-09
•
Expires: 1963-12-29
Abstract
No abstract record available.
Inventors
- 👤 Harold J Goodyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:50
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/42; F28F1/422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR473516A
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US1179669A
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FR481806A
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US1496345A
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US1831473A
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US1900394A
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US2207399A
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US2281207A
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US2244800A
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US2342774A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |