US2210330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the prevention of accidents due to overtiredness
Assignee: Individual
•
Filing: 1938-04-22
•
Granted: 1940-08-06
•
Expires: 1958-04-22
Abstract
No abstract record available.
Inventors
- 👤 Sequin Amalie Vera
- 👤 Hirt Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:23
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/001; G02C11/00; Y; Y10; Y10S; Y10S200/00; Y10S200/02
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) | 1943-08-06 | 1944-02-05 | 1944-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-06 | 1948-02-05 | 1948-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-06 | 1952-02-05 | 1952-08-06 | $7700.00 | Window Closed / Lapsed |