US3067769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve structure
Assignee: Individual
•
Filing: 1959-04-03
•
Granted: 1962-12-11
•
Expires: 1979-04-03
Abstract
No abstract record available.
Inventors
- 👤 John V Skulley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:56
CPC Classifications
F; F02; F02M; F02M21/00; F02B; F02B43/00; F02M2700/00; F02M2700/12; F02M2700/126; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7752; Y10T137/7781; Y10T137/7837; Y10T137/7847; Y10T137/7849; Y10T137/8593; Y10T137/87265; Y10T137/87378; Y10T137/87539
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US868219A
Cited
US1005409A
Cited
US1593766A
Cited
FR657491A
Cited
FR802375A
Cited
US2124633A
Cited
FR884652A
Cited
US2762614A
Cited
US2952272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |