US2669876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire pressure indicating and recording device
Assignee: EDWARD K BROWN
•
Filing: 1950-07-15
•
Granted: 1954-02-23
•
Expires: 1970-07-15
Abstract
No abstract record available.
Inventors
- 👤 David M Lentz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:18
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)
US1954153A
Cited
US2248047A
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US2270148A
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US2353428A
Cited
GB553821A
Cited
US2593224A
Cited
US2443252A
Cited
US2423609A
Cited
US2423340A
Cited
US2439092A
Cited
US2550041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |