US2889703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring the density of a solid
Assignee: Individual
•
Filing: 1956-02-14
•
Granted: 1959-06-09
•
Expires: 1976-02-14
Abstract
No abstract record available.
Inventors
- 👤 Lipson Samuel
- 👤 Saia Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:47
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/10; G01N9/12; G01N9/14
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) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |