US2673340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for indication of small capacity variations
Assignee: Individual
•
Filing: 1949-05-07
•
Granted: 1954-03-23
•
Expires: 1969-05-07
Abstract
No abstract record available.
Inventors
- 👤 Johansson Karl Lennart
- 👤 Claesson Per Harry Elias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:59
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/22; G08B13/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2002667A
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US2094351A
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US2112826A
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US2111086A
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US2280527A
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US2281461A
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US2428290A
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US2421771A
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US2455376A
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US2386942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |