US2437846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Follow-up control
Assignee: Missouri Automatic Control Corp
•
Filing: 1943-10-25
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Granted: 1948-03-16
•
Expires: 1963-10-25
Abstract
No abstract record available.
Inventors
- 👤 John O Yeida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:30
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1481; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27537
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190822880A
Cited
US1954142A
Cited
US2056287A
Cited
US2291502A
Cited
US2353075A
Cited
US2339289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |