US3058345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid metal level indicator
Assignee: Individual
•
Filing: 1960-08-16
•
Granted: 1962-10-16
•
Expires: 1980-08-16
Abstract
No abstract record available.
Inventors
- 👤 Mastras Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:10
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB513427A
Cited
US2354964A
Cited
US2485579A
Cited
US2648058A
Cited
US2824278A
Cited
US2949576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |