US2836366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Individual
•
Filing: 1954-02-09
•
Granted: 1958-05-27
•
Expires: 1974-02-09
Abstract
No abstract record available.
Inventors
- 👤 Curtis R Eckberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:58
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE622282C
Cited
US1979713A
Cited
US2055705A
Cited
US2148491A
Cited
US2220028A
Cited
DE730547C
Cited
US2376488A
Cited
US2629005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |