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Patent US2416450A successfully refreshed from Google Patents.
US2416450A
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Multiple cell diaphragm jig with common actuating means
Assignee: YUBA Manufacturing Co
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Filing: 1944-09-18
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Granted: 1947-02-25
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Expires: 1964-09-18
Abstract
No abstract record available.
Inventors
- 👤 Walter B Macaulay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:34
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/02; B03B5/10; B03B5/12; B03B5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1430216A
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US864776A
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US959473A
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US1058349A
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US1289931A
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US2132375A
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US2039613A
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US2122039A
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US2198816A
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US2238338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |