US2740855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire pressure alarm
Assignee: Individual
•
Filing: 1953-08-14
•
Granted: 1956-04-03
•
Expires: 1973-08-14
Abstract
No abstract record available.
Inventors
- 👤 Forrest E Welpott
- 👤 Wesley H Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:03
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0408; B60C23/0422; B60C23/0467; B60C23/005; B60C23/007; B60C23/009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1393344A
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US1703734A
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US1829699A
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US2256688A
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US2316461A
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US2445959A
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US2475533A
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US2482984A
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US2523594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |