US2593587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distant reading liquid reservoir gauge
Assignee: Individual
•
Filing: 1948-04-20
•
Granted: 1952-04-22
•
Expires: 1968-04-20
Abstract
No abstract record available.
Inventors
- 👤 Marcus Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:47
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/16; G01F23/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB131837A
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US1195736A
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US824532A
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US992612A
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US1396273A
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US1399205A
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US1394031A
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US1642615A
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US1619919A
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US1900774A
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US2012511A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |