US2535988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension testing apparatus for electric sockets and wire connections
Assignee: JACOB B LEW
•
Filing: 1949-10-18
•
Granted: 1950-12-26
•
Expires: 1969-10-18
Abstract
No abstract record available.
Inventors
- 👤 Sakirsky Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:12
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/0028; G01L5/0033; G01R; G01R31/00; G01R31/50; G01R31/66; G01R31/68; G01R31/69; H; H01; H01R; H01R43/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2136344A
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US2033624A
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US2167209A
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US2321875A
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US2393177A
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US2453576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |