US3460394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid density measuring method and apparatus
Assignee: Individual
•
Filing: 1967-06-05
•
Granted: 1969-08-12
•
Expires: 1987-06-05
Abstract
No abstract record available.
Inventors
- 👤 Del Cryer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:59
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/26; G01N9/28; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2577548A
Cited
FR1241058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |