US2685685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe line alarm
Assignee: Standard Oil Development Co
•
Filing: 1952-12-23
•
Granted: 1954-08-03
•
Expires: 1972-12-23
Abstract
No abstract record available.
Inventors
- 👤 Carl M Lathrop
- 👤 Christopher E Loeser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:19
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/26; F16L55/28; F16L55/30; F16L55/38; F16L55/48; G; G01; G01M; G01M3/00; G01M3/005; F16L2101/00; F16L2101/30; F16L2101/40; Y; Y10; Y10T; Y10T137/00; Y10T137/9682
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |