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Patent US2678737A successfully refreshed from Google Patents.
US2678737A
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Assignee: Individual
•
Filing: 1949-09-27
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Granted: 1954-05-18
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Expires: 1969-09-27
Abstract
No abstract record available.
Inventors
- 👤 Richard L Mangrum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:04
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/02; B65D88/12; B65D88/128; Y; Y10; Y10S; Y10S414/00; Y10S414/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US608310A
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US1329956A
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US1443594A
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US1425965A
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US1526527A
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US1632103A
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US1964894A
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US2019656A
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US2304622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |