US2428626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boot construction
Assignee: R C NICHOLS CORP
•
Filing: 1946-08-03
•
Granted: 1947-10-07
•
Expires: 1966-08-03
Abstract
No abstract record available.
Inventors
- 👤 Edward V Jaeger
- 👤 Ralph M Plympton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:27
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US223783A
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US1334009A
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GB231690A
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US1620712A
Cited
GB273968A
Cited
GB362894A
Cited
US2068811A
Cited
US2132066A
Cited
US2347191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |