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US1789306A
Expired / Lapsed
US
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Tire-filling valve head
Assignee: Individual
•
Filing: 1924-01-28
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Granted: 1931-01-20
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Expires: 1944-01-28
Abstract
No abstract record available.
Inventors
- 👤 Arno A Ewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:54
CPC Classifications
B; B60; B60C; B60C29/00; B60C29/06; B60C29/064; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/6851; Y10T137/7043; Y10T137/8593; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-01-19 | 1934-07-21 | 1935-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-01-19 | 1938-07-21 | 1939-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-01-19 | 1942-07-21 | 1943-01-20 | $7700.00 | Window Closed / Lapsed |