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US2984340A
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Assignee: ROBERT H ECKHOFF
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Filing: 1959-02-19
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Granted: 1961-05-16
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Expires: 1979-02-19
Abstract
No abstract record available.
Inventors
- 👤 Hoagland H Carmichael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:48
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/0085; B65D85/00; B65D85/07; B65D85/08; B65D85/10; B65D85/1018; B65D85/1027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US276171A
Cited
GB358560A
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US2046484A
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US2230625A
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US2383728A
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US2456059A
Cited
US2579443A
Cited
US2881970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |