Patent US2777464A successfully refreshed from Google Patents.
US2777464A
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US
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Flow control devices
Assignee: Detroit Controls Corp
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Filing: 1951-03-07
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Granted: 1957-01-15
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Expires: 1971-03-07
Abstract
No abstract record available.
Inventors
- 👤 Neal J Mosely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:42
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0106; G05D7/012; D; D06; D06F; D06F39/00; D06F39/08; D06F39/088; F; F16; F16K; F16K15/00; F16K15/14; F16K15/148; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7859; Y10T137/786; Y10T137/7861; Y10T137/7862; Y10T137/7869; Y10T137/7879; Y10T137/7888; Y10T137/789
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1718350A
Cited
US699273A
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US1767201A
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US1897155A
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US2106775A
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US2131809A
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US2108256A
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US2489932A
Cited
US2508793A
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US2571893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |