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US3040455A
Expired / Lapsed
US
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Foot guard
Assignee: Individual
•
Filing: 1961-07-20
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Granted: 1962-06-26
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Expires: 1981-07-20
Abstract
No abstract record available.
Inventors
- 👤 Charles J Criswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:38
CPC Classifications
A; A43; A43C; A43C13/00; A43C13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US900499A
Cited
US1640669A
Cited
US1717438A
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US2256091A
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US2268435A
Cited
US2555900A
Cited
US2552700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |