Patent US2778374A successfully refreshed from Google Patents.
US2778374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for supersized tires
Assignee: Dill Manufacturing Co
•
Filing: 1953-05-13
•
Granted: 1957-01-22
•
Expires: 1973-05-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Boyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:31
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/3724; Y10T137/374
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US217643A
Cited
US634752A
Cited
US877720A
Cited
US1348708A
Cited
US1555049A
Cited
US1903395A
Cited
US1951460A
Cited
US2106673A
Cited
US2330864A
Cited
US2482469A
Cited
US2600162A
Cited
US2450195A
Cited
US2676781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |