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Patent US3528701A successfully refreshed from Google Patents.
US3528701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baby carrier
Assignee: Q HOLDINGS CORP
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Filing: 1969-08-28
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Granted: 1970-09-15
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Expires: 1989-08-28
Abstract
No abstract record available.
Inventors
- 👤 Clayton Austin Laughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:44
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/26; B60N2/28; B60N2/2821; B60N2/2839; B60N2/2857; B60N2/286; B60N2/2875; B60N2/2878
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2782839A
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US2824602A
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US2984281A
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US3115364A
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GB969686A
Cited
US3101972A
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US3243229A
Cited
US3245717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |