Patent US3400008A successfully refreshed from Google Patents.
US3400008A
Expired / Lapsed
US
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Paper article coated with a novel slip composition
Assignee: WR Grace and Co
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Filing: 1964-06-30
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Granted: 1968-09-03
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Bleyle Merrill
- 👤 Jr Charles T Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:05
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/001; B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; D21H19/00; D21H19/10; D21H19/14; D21H19/18; D21H19/20; D21H19/22; D21H19/80; D21H19/82; D21H19/824; D21H27/10; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |