US2611978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe with tapered rocker type midsole
Assignee: JOYCE Inc
•
Filing: 1950-12-02
•
Granted: 1952-09-30
•
Expires: 1970-12-02
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Joyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:17
CPC Classifications
A; A43; A43B; A43B9/00; A43B9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US670068A
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US1088328A
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US2521464A
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FR873809A
Cited
FR879115A
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US2364763A
Cited
US2422947A
Cited
US2543183A
Cited
US2565662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |