US2416808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring the density of liquids
Assignee: Individual
•
Filing: 1944-01-20
•
Granted: 1947-03-04
•
Expires: 1964-01-20
Abstract
No abstract record available.
Inventors
- 👤 Weiss Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:48
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/10; G01N9/12; G01N9/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE17728E
Cited
DE64514C
Cited
US1071167A
Cited
US1067073A
Cited
GB166431A
Cited
US1431638A
Cited
US1526850A
Cited
US1787132A
Cited
US1691084A
Cited
FR667829A
Cited
US1701404A
Cited
US1838845A
Cited
FR690716A
Cited
US1788465A
Cited
DE630435C
Cited
US1957941A
Cited
GB446069A
Cited
US2211748A
Cited
US2294455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |