US2574250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: EUGENE W TUBBS
•
Filing: 1949-07-05
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Granted: 1951-11-06
•
Expires: 1969-07-05
Abstract
No abstract record available.
Inventors
- 👤 Herman L Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:11
CPC Classifications
B; B60; B60N; B60N3/00; B60N3/10; B60N3/102; Y; Y10; Y10S; Y10S224/00; Y10S224/926
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |