US3463192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide valve
Assignee: Individual
•
Filing: 1967-11-29
•
Granted: 1969-08-26
•
Expires: 1987-11-29
Abstract
No abstract record available.
Inventors
- 👤 Erich Herion Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:29
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/042; F15B13/043; F15B13/0431; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86614; Y10T137/8667
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2725077A
Cited
GB837114A
Cited
DE1110970B
Cited
US2974682A
Cited
US3064682A
Cited
US3370611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |