US2621274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire pressure indicator
Assignee: Individual
•
Filing: 1950-07-10
•
Granted: 1952-12-09
•
Expires: 1970-07-10
Abstract
No abstract record available.
Inventors
- 👤 Gerald H Maddox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:24
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0408; B60C23/0422; B60C23/0467
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US664341A
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US995893A
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US1120228A
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US1345520A
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US1385080A
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US1811769A
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US1928732A
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US2127429A
Cited
US2178422A
Cited
US2443252A
Cited
US2423609A
Cited
US2526124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |