US2576197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid medium propelled and rotated apparatus for cleaning the inside of pipes
Assignee: Panhandle Eastern Pipe Line Co
•
Filing: 1944-10-26
•
Granted: 1951-11-27
•
Expires: 1964-10-26
Abstract
No abstract record available.
Inventors
- 👤 Dishman K Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:42
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/053; B08B9/055; B08B9/0553
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1448876A
Cited
US812361A
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US1006187A
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US1835119A
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US1866556A
Cited
US2087414A
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US2188959A
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US2315133A
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US2232358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |