US2826832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tread member for a shoe
Assignee: Ro Search Inc
•
Filing: 1954-06-25
•
Granted: 1958-03-18
•
Expires: 1974-06-25
Abstract
No abstract record available.
Inventors
- 👤 Rollman Heinz
- 👤 Szerenyi Andrew
- 👤 Kaufman Curt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:08
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/02; A43B13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1137724A
Cited
US1422716A
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US1524997A
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US1679272A
Cited
US1677013A
Cited
US1766522A
Cited
US1749351A
Cited
US1867132A
Cited
US2135570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |