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US2565577A
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Assignee: J O STEPHENSON
•
Filing: 1948-05-25
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Granted: 1951-08-28
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Expires: 1968-05-25
Abstract
No abstract record available.
Inventors
- 👤 Earl L Schnoebelen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:58
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/28; Y; Y10; Y10S; Y10S200/00; Y10S200/20; Y10T; Y10T403/00; Y10T403/32
Claims Analysis
Total Claims: 0
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US1919208A
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US1893371A
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US2341444A
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US2344349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |