US2284352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat
Assignee: Individual
•
Filing: 1941-05-26
•
Granted: 1942-05-26
•
Expires: 1961-05-26
Abstract
No abstract record available.
Inventors
- 👤 Donald G Zank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:49
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/38; B60N2/40; B60N2/39; B60N2/50; B60N2/502; B60N2/52; B60N2/522; B60N2/527; B60N2/54; B60N2/544
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) | 1945-05-25 | 1945-11-24 | 1946-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-25 | 1949-11-24 | 1950-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-25 | 1953-11-24 | 1954-05-26 | $7700.00 | Window Closed / Lapsed |