US2527679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1945-10-06
•
Granted: 1950-10-31
•
Expires: 1965-10-06
Abstract
No abstract record available.
Inventors
- 👤 Carl W Krueger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:38
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/02; G09F7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1492472A
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US1538348A
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US1654337A
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US1583912A
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US1602892A
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US1792635A
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US1791241A
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US1784677A
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US1797322A
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US1916852A
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US1988555A
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US2260462A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |