US2601249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe line scraper and location transmitter
Assignee: Standard Oil Co
•
Filing: 1950-06-27
•
Granted: 1952-06-24
•
Expires: 1970-06-27
Abstract
No abstract record available.
Inventors
- 👤 Irving R Brenholdt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:42
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/02; E21B47/12; E21B47/13; G; G01; G01V; G01V3/00; G01V3/08; G01V3/10; G01V3/104; Y; Y10; Y10S; Y10S118/00; Y10S118/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US576425A
Cited
US1036817A
Cited
US1287251A
Cited
US1212763A
Cited
US1643270A
Cited
US2176447A
Cited
US2050665A
Cited
US2092951A
Cited
US2428326A
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 |