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US2649709A
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Assignee: Individual
•
Filing: 1948-01-30
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Granted: 1953-08-25
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Expires: 1968-01-30
Abstract
No abstract record available.
Inventors
- 👤 William J Sturtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:14
CPC Classifications
G; G01; G01F; G01F9/00; G01F9/02; G01F9/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US527979A
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USRE15651E
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US806541A
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US1401315A
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US1478010A
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US1433310A
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US1477487A
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US1660641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |