US2601248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe line cleaner and locator
Assignee: Standard Oil Co
•
Filing: 1948-12-30
•
Granted: 1952-06-24
•
Expires: 1968-12-30
Abstract
No abstract record available.
Inventors
- 👤 Irving R Brenholdt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:26
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/26; F16L55/48; B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/053; B08B9/055; B08B9/0551; G; G01; G01V; G01V15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US658013A
Cited
US1662429A
Cited
US2092951A
Cited
US2192765A
Cited
US2428326A
Cited
US2542893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |