US3513876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve manifold module and system
Assignee: AKRO TEC Inc
•
Filing: 1968-04-09
•
Granted: 1970-05-26
•
Expires: 1988-04-09
Abstract
No abstract record available.
Inventors
- 👤 Robert K Tarbox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:40
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; F15B13/0803; F15B13/0821; F15B13/0825; F15B13/0807; F15B13/0817; F15B13/0828; F15B13/0832; F15B13/0846; F15B13/0857; F15B13/0864; F15B13/0875; F15B13/0878; F15B13/0885; F15B13/0892; F15B13/0896; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/8593; Y10T137/87169; Y10T137/877; Y10T137/87885
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) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |