Patent US2416618A successfully refreshed from Google Patents.
US2416618A
Expired / Lapsed
US
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Pipe
Assignee: U S ASBESTOS CEMENT PIPE Co
•
Filing: 1942-08-03
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Granted: 1947-02-25
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Expires: 1962-08-03
Abstract
No abstract record available.
Inventors
- 👤 Ferla John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:12
CPC Classifications
F; F16; F16L; F16L25/00; F16L25/0027; F16L58/00; F16L58/18; F16L58/185
Claims Analysis
Total Claims: 0
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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) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |