Patent US2842872A successfully refreshed from Google Patents.
US2842872A
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US
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Safety shoe
Assignee: Endicott Johnson Corp
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Filing: 1956-12-07
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Granted: 1958-07-15
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Expires: 1976-12-07
Abstract
No abstract record available.
Inventors
- 👤 Edward L Shultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:26
CPC Classifications
A; A43; A43C; A43C11/00; A43C11/14; A43B; A43B7/00; A43B7/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1626489A
Cited
US1616281A
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US1742763A
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US2339193A
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US2392867A
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US2601162A
Cited
US2613457A
Cited
US2555900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |