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US2867920A
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US
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Assignee: Individual
•
Filing: 1955-11-07
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Granted: 1959-01-13
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Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Oscar J Dube
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:25
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US124094A
Cited
US551759A
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US1034075A
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US1742895A
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US1824358A
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US2084868A
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US2095613A
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US2319356A
Cited
US2584516A
Cited
US2716249A
Cited
US2713216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |