US2714868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid indicator
Assignee: Imperial Brass Manufacturing Co
•
Filing: 1951-05-05
•
Granted: 1955-08-09
•
Expires: 1971-05-05
Abstract
No abstract record available.
Inventors
- 👤 George E Franck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/006; Y; Y10; Y10S; Y10S285/00; Y10S285/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US191724A
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US502073A
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US859733A
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US1795340A
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US1910752A
Cited
US2196959A
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US2474319A
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US2467312A
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US2580546A
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US2520869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |