Patent US3189185A successfully refreshed from Google Patents.
US3189185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal and seal rack
Assignee: Dart Industries Inc
•
Filing: 1962-01-23
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Granted: 1965-06-15
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Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Grasso Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:32
CPC Classifications
A; A47; A47J; A47J47/00; A47J47/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US542255A
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US2732870A
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US740229A
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US1527386A
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US2126980A
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US2271504A
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US2273668A
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US2285745A
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US2487400A
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US2895616A
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US2907586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |