Patent US3470288A successfully refreshed from Google Patents.
US3470288A
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Assignee: EIDP Inc
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Filing: 1967-10-02
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Granted: 1969-09-30
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Expires: 1987-10-02
Abstract
No abstract record available.
Inventors
- 👤 Gordon B Dunnington
- 👤 Reuben T Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:29
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/18; B29C48/00; B29C48/001; B29C48/0018; B29C48/03; B29C48/07; B29C48/08; B29K; B29K2067/00; B29K2077/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899713A
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US2244208A
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US2374069A
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US2556295A
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US2642625A
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US2952878A
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US3083410A
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US3066366A
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US3194863A
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US3324217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |