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Patent US2324820A successfully refreshed from Google Patents.
US2324820A
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Assignee: CLAUDE P OWENS
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Filing: 1941-06-26
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Granted: 1943-07-20
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Expires: 1961-06-26
Abstract
No abstract record available.
Inventors
- 👤 Sidney E Capps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:07
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/18; G09F7/22; E; E01; E01F; E01F9/00; E01F9/60; E01F9/688
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-07-19 | 1947-01-18 | 1947-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-19 | 1951-01-18 | 1951-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-19 | 1955-01-18 | 1955-07-20 | $7700.00 | Window Closed / Lapsed |