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US3522345A
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US
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Premade heel unit for shoes and a method of making the same
Assignee: BENT OVE OLSEN
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Filing: 1967-10-23
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Granted: 1970-07-28
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Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 Bent-Ove Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:43
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/12; B29D35/14; B29D35/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2923976A
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US2298365A
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US2366274A
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GB751314A
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US2937409A
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US3268645A
Cited
US3164864A
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US3178496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |