US2938561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap-on tubeless truck tire valve
Assignee: Bridgeport Brass Co
•
Filing: 1956-10-05
•
Granted: 1960-05-31
•
Expires: 1976-10-05
Abstract
No abstract record available.
Inventors
- 👤 Donald E Steer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:15
CPC Classifications
B; B60; B60C; B60C29/00; B60C29/02; Y; Y10; Y10S; Y10S152/00; Y10S152/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US666887A
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US2210112A
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US2500531A
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US2769476A
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US2798528A
Cited
US2837134A
Cited
US2844183A
Cited
FR1117971A
Cited
US2838088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |