US3530489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Footwear manufacture
Assignee: Emhart Enterprises Corp
•
Filing: 1968-08-19
•
Granted: 1970-09-22
•
Expires: 1988-08-19
Abstract
No abstract record available.
Inventors
- 👤 Daniel Appleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:47
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/28; A43B13/00; A43B13/14; A43B13/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126650A
Cited
US2642677A
Cited
US2757461A
Cited
US2724913A
Cited
US2784502A
Cited
US3143812A
Cited
US3323233A
Cited
GB1083238A
Cited
US3398469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |