US2590648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slotted sole sandal
Assignee: A L LANGENFELD Inc
•
Filing: 1949-01-12
•
Granted: 1952-03-25
•
Expires: 1969-01-12
Abstract
No abstract record available.
Inventors
- 👤 Carl A Pitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:29
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/12; A43B3/128; A43B13/00; A43B13/14; A43B13/141; A43B13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR745045A
Cited
US1341498A
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FR686325A
Cited
US2126077A
Cited
US2126094A
Cited
FR876666A
Cited
FR874012A
Cited
FR880213A
Cited
US2343701A
Cited
US2466580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |