Patent US3463652A successfully refreshed from Google Patents.
US3463652A
Expired / Lapsed
US
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Article and method of coating continuous filament
Assignee: WR Grace and Co
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Filing: 1968-08-05
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Granted: 1969-08-26
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Expires: 1988-08-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph Collichio Whitesel
- 👤 Stanley Norman Weissman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:47
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/20; B29C44/32; B29C44/322; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; D06M23/00; D06M23/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/298
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) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |