US3431944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering valve
Assignee: Astemo Ltd
•
Filing: 1967-01-03
•
Granted: 1969-03-11
•
Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Masao Sakuma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:06
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/12; F16K1/126; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K17/00; F16K17/20; F16K17/34; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; G05D7/0133; F16K2200/00; F16K2200/30; F16K2200/302; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7792; Y10T137/7834; Y10T137/7837; Y10T137/7904; Y10T137/7905; Y10T137/7922; Y10T137/7929; Y10T137/7931
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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |