US2796986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing and handling of magnetic materials
Assignee: RCA Corp
•
Filing: 1953-03-25
•
Granted: 1957-06-25
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Expires: 1973-03-25
Abstract
No abstract record available.
Inventors
- 👤 Jan A Rajchman
- 👤 Stuart-Williams Raymond
- 👤 Joseph L Walentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:40
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/80; Y; Y10; Y10S; Y10S209/00; Y10S209/919; Y10S209/92; Y10S209/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307237A
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US1416585A
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US1570948A
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US2404648A
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US2566767A
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US2679025A
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US2760153A
Cited
US2711509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |