US2665332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic measuring method and apparatus
Assignee: Sunoco Inc
•
Filing: 1949-11-25
•
Granted: 1954-01-05
•
Expires: 1969-11-25
Abstract
No abstract record available.
Inventors
- 👤 Eric A Weiss
- 👤 Wright J Rondle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:52
CPC Classifications
G; G01; G01V; G01V3/00; G01R; G01R33/00; G01R33/12; G01R33/1215
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2217768A
Cited
US2260562A
Cited
US2407202A
Cited
US2418553A
Cited
US2379716A
Cited
US2500680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |