US2772394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for finding protruding metal objects in shoes
Assignee: United Shoe Machinery Corp
•
Filing: 1951-12-28
•
Granted: 1956-11-27
•
Expires: 1971-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert W Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:50
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US902753A
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US1437375A
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US2355105A
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US2419266A
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US2529846A
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US2559627A
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US2636917A
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US2691104A
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US2708746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |