Patent US2650346A successfully refreshed from Google Patents.
US2650346A
Expired / Lapsed
US
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Apparatus and method for testing pipe coating
Assignee: Individual
•
Filing: 1949-04-27
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Granted: 1953-08-25
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Expires: 1969-04-27
Abstract
No abstract record available.
Inventors
- 👤 John P Rasor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:54
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/20; G01N27/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1950484A
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US1946563A
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US2276796A
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US2332182A
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US2456453A
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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) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |