US2430200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: NINA MAE WILSON
•
Filing: 1944-11-18
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Granted: 1947-11-04
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Expires: 1964-11-18
Abstract
No abstract record available.
Inventors
- 👤 Winfred E Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:06
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/10; E04F15/00; E04F15/02; E04F15/04; E04F2201/00; E04F2201/01; E04F2201/0153; F; F16; F16B; F16B5/00; F16B5/0004; F16B5/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-03 | 1951-05-05 | 1951-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-03 | 1955-05-05 | 1955-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-03 | 1959-05-05 | 1959-11-04 | $7700.00 | Window Closed / Lapsed |