Patent US3500481A successfully refreshed from Google Patents.
US3500481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bath tub closure and track therefor
Assignee: Individual
•
Filing: 1967-01-19
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Granted: 1970-03-17
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Expires: 1987-01-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Mckwane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:31
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/80; E06B3/805; A; A47; A47K; A47K3/00; A47K3/28; A47K3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1785636A
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US2092426A
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US2095645A
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US2197385A
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US2747200A
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US2885000A
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US2897514A
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US2897515A
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US2911654A
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US3037555A
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US3205547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |