Patent US2578632A successfully refreshed from Google Patents.
US2578632A
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US
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Control device
Assignee: MILLER HARRIS INSTR CO
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Filing: 1946-11-21
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Granted: 1951-12-11
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Expires: 1966-11-21
Abstract
No abstract record available.
Inventors
- 👤 Wayland R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:21
CPC Classifications
G; G04; G04F; G04F3/00; G04F3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1753020A
Cited
US1767636A
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US1894834A
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US1864455A
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US2012086A
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US2147989A
Cited
US2275918A
Cited
US2377503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |