Patent US2438413A successfully refreshed from Google Patents.
US2438413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-pressure tire signal
Assignee: Individual
•
Filing: 1944-05-15
•
Granted: 1948-03-23
•
Expires: 1964-05-15
Abstract
No abstract record available.
Inventors
- 👤 Harold G Renner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:52
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1807752A
Cited
US762299A
Cited
US1400848A
Cited
US1249112A
Cited
US1539030A
Cited
US1606740A
Cited
US1856199A
Cited
US1755163A
Cited
US1582523A
Cited
US1570397A
Cited
US2154901A
Cited
US2225674A
Cited
US2229192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |