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US2684178A
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Assignee: Individual
•
Filing: 1950-02-23
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Granted: 1954-07-20
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Expires: 1970-02-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Keeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:20
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/54; B65D5/5495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1682838A
Cited
US1726108A
Cited
US2327529A
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US2359986A
Cited
US2448795A
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US2472674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |