US3442033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Athletic shoe with base inserts
Assignee: GLENN E HILBURN JR
•
Filing: 1967-01-16
•
Granted: 1969-05-06
•
Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 Glenn E Hilburn Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:58
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US668274A
Cited
US1232896A
Cited
US1827514A
Cited
US2122867A
Cited
US2118113A
Cited
US3054197A
Cited
US2895235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |