US3036598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital valve
Assignee: North American Aviation Corp
•
Filing: 1959-12-16
•
Granted: 1962-05-29
•
Expires: 1979-12-16
Abstract
No abstract record available.
Inventors
- 👤 Robert E Smith
- 👤 James D Jewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:48
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/12; F15B11/127; F15B11/128; F15B11/13; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B2013/0414; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87193; Y10T137/87209
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |