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US2497584A
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Assignee: CARMICHAEL MACHINE Co
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Filing: 1945-12-06
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Granted: 1950-02-14
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Expires: 1965-12-06
Abstract
No abstract record available.
Inventors
- 👤 George W Carmichael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:51
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/38; G04C23/48; A; A47; A47J; A47J29/00; A47J29/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189914913A
Cited
US890134A
Cited
US1904579A
Cited
US2059925A
Cited
US2168662A
Cited
US2076733A
Cited
US2327319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |