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US2424258A
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Article-inverting apparatus
Assignee: Individual
•
Filing: 1944-09-19
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Granted: 1947-07-22
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Expires: 1964-09-19
Abstract
No abstract record available.
Inventors
- 👤 Smith Hugh Doud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:45
CPC Classifications
B; B65; B65G; B65G7/00; B65G7/02; B65G7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US382639A
Cited
US1487669A
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US713065A
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US1429327A
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US1609776A
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US1729507A
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US1967683A
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US2116381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-21 | 1951-01-20 | 1951-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-21 | 1955-01-20 | 1955-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-21 | 1959-01-20 | 1959-07-22 | $7700.00 | Window Closed / Lapsed |