US2887796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contour arch cushion for shoes
Assignee: CONTOUR ARCH Inc
•
Filing: 1957-08-26
•
Granted: 1959-05-26
•
Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 Julius D Engelmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:45
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1415; A43B7/142; A43B7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1053549A
Cited
US1095849A
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US1281987A
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US1727244A
Cited
US2423622A
Cited
US2426735A
Cited
US2660814A
Cited
US2807102A
Cited
US2782532A
Cited
US2826834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |