Patent US3401849A successfully refreshed from Google Patents.
US3401849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low force metering valve
Assignee: Individual
•
Filing: 1966-05-24
•
Granted: 1968-09-17
•
Expires: 1986-05-24
Abstract
No abstract record available.
Inventors
- 👤 Iii Robert L Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:53
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/52; B65D83/546; G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; G01F11/025; G01F11/028; G01F11/28; G01F11/30; G01F11/32; G01G; G01G21/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2363521A
Cited
US2681752A
Cited
US2862648A
Cited
US2963265A
Cited
GB893717A
Cited
US3138304A
Cited
US3272403A
Cited
US3301444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |