US2478203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Follow-up motor control circuit
Assignee: Unisys Corp
•
Filing: 1944-04-08
•
Granted: 1949-08-09
•
Expires: 1964-04-08
Abstract
No abstract record available.
Inventors
- 👤 Rawley D Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; G05D3/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE16667E
Cited
US1944756A
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US2115086A
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US2113436A
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US2061416A
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US2131759A
Cited
US2236086A
Cited
US2147674A
Cited
US2399695A
Cited
US2296107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |