US2884948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid measuring and control system
Assignee: Avien Inc
•
Filing: 1954-06-29
•
Granted: 1959-05-05
•
Expires: 1974-06-29
Abstract
No abstract record available.
Inventors
- 👤 Leo A Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:06
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/12; B; B64; B64C; B64C17/00; B64C17/10; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; Y; Y02; Y02T; Y02T50/00; Y02T50/40; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7297; Y10T137/73; Y10T137/7306
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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |