US1261018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-valve mechanism for pneumatic tires.
Assignee: Individual
•
Filing: 1917-01-31
•
Granted: 1918-04-02
•
Expires: 1937-01-31
Abstract
No abstract record available.
Inventors
- 👤 William C Gebhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:05
CPC Classifications
B; B60; B60S; B60S5/00; B60S5/04; B60S5/043; F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/066; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/36; Y10T137/3662; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1921-04-01 | 1921-10-01 | 1922-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-04-01 | 1925-10-01 | 1926-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-04-01 | 1929-10-01 | 1930-04-02 | $7700.00 | Window Closed / Lapsed |