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US2858616A
Expired / Lapsed
US
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Inspection device
Assignee: Individual
•
Filing: 1953-06-23
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Granted: 1958-11-04
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Expires: 1973-06-23
Abstract
No abstract record available.
Inventors
- 👤 Oscar L Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:27
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/38; G01B3/42; G01B3/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1338670A
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US1415246A
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US1654213A
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US1971157A
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US2178264A
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US2201454A
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USRE22953E
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US2309142A
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US2359018A
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US2501148A
Cited
US2504961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |