Patent US2424203A successfully refreshed from Google Patents.
US2424203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Journal safety device
Assignee: Individual
•
Filing: 1946-01-09
•
Granted: 1947-07-15
•
Expires: 1966-01-09
Abstract
No abstract record available.
Inventors
- 👤 Harry H Wrightman
- 👤 Harry W Opdyke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:37
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/12; B60T7/124; Y; Y10; Y10S; Y10S116/00; Y10S116/38; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1819; Y10T137/1842; Y10T137/1939; Y10T137/1963
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |