US2313189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Predetermining counter
Assignee: EIDP Inc
•
Filing: 1940-10-30
•
Granted: 1943-03-09
•
Expires: 1960-10-30
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel C Wyeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:18
CPC Classifications
G; G06; G06M; G06M3/00; G06M3/02; G06M3/021; G06M3/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-03-08 | 1946-09-07 | 1947-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-08 | 1950-09-07 | 1951-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-08 | 1954-09-07 | 1955-03-09 | $7700.00 | Window Closed / Lapsed |