US2202393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilating device for automobiles
Assignee: Individual
•
Filing: 1933-10-04
•
Granted: 1940-05-28
•
Expires: 1953-10-04
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/08; B60J1/12; B60J1/14; Y; Y10; Y10S; Y10S292/00; Y10S292/06; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039
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) | 1943-05-28 | 1943-11-27 | 1944-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-28 | 1947-11-27 | 1948-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-28 | 1951-11-27 | 1952-05-28 | $7700.00 | Window Closed / Lapsed |