Patent US2556496A successfully refreshed from Google Patents.
Patent US3059693A successfully refreshed from Google Patents.
US3059693A
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Control system
Assignee: Controls Company of America
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Filing: 1959-07-20
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Granted: 1962-10-23
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Expires: 1979-07-20
Abstract
No abstract record available.
Inventors
- 👤 Hotchkiss Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:52
CPC Classifications
F; F23; F23Q; F23Q5/00; F23N; F23N5/00; F23N5/02; F23N5/04; F23N5/20; F23Q9/00; F23Q9/08; F23Q9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2452336A
Cited
US1688864A
Cited
US1835028A
Cited
US2180675A
Cited
US2067699A
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US2196442A
Cited
US2228997A
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US2309317A
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US2405807A
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US2380640A
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US2398008A
Cited
US2626657A
Cited
US2678814A
Cited
US2898981A
Cited
US2914637A
Cited
US2949518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |