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US2789748A
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Assignee: Individual
•
Filing: 1953-12-01
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Granted: 1957-04-23
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Expires: 1973-12-01
Abstract
No abstract record available.
Inventors
- 👤 Roswell P Barbour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:58
CPC Classifications
B; B65; B65D; B65D15/00; B65D15/22; B65D85/00; B65D85/30; B65D85/34; B65D85/345
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US719553A
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US1963378A
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US1986145A
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US2044301A
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US2358943A
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US2414703A
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US2404067A
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US2460870A
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US2621847A
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US2566500A
Cited
US2514295A
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US2618429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |