Patent US1872020A successfully refreshed from Google Patents.
US3490337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow regulator
Assignee: Continental Teves AG and Co OHG
•
Filing: 1966-07-11
•
Granted: 1970-01-20
•
Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Hans-Christof Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:57
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15B; F15B11/00; F15B11/02; F15B21/00; F15B21/08; G; G05; G05D; G05D11/00; G05D11/02; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20538; F15B2211/21; F15B2211/212; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/3056; F15B2211/31; F15B2211/3105; F15B2211/3116; F15B2211/315; F15B2211/3157; F15B2211/31582; F15B2211/32; F15B2211/327; F15B2211/35; F15B2211/351; F15B2211/60; F15B2211/615; F15B2211/625; F15B2211/665; F15B2211/6654; F15B2211/70; F15B2211/705; F15B2211/7058; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86461
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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |