US2684468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring a periodically recurring signal in the presence of random noise
Assignee: ExxonMobil Oil Corp
•
Filing: 1950-08-21
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Granted: 1954-07-20
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Expires: 1970-08-21
Abstract
No abstract record available.
Inventors
- 👤 Carroll D Mcclure
- 👤 Robert L Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:42
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/02; G01V3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2430038A
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US2508408A
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US2439446A
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US2436503A
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US2521635A
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US2620890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |