Patent US3465627A successfully refreshed from Google Patents.
US3465627A
Expired / Lapsed
US
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Polytetrafluoroethylene coated hot cutting die
Assignee: Coated Products Inc
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Filing: 1967-09-20
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Granted: 1969-09-09
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Expires: 1987-09-20
Abstract
No abstract record available.
Inventors
- 👤 John H Vigneault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:18
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/44; B26D; B26D7/00; B26D7/08; B26D7/088; B26F3/00; B26F3/06; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10T; Y10T83/00; Y10T83/283; Y10T83/293; Y10T83/869; Y10T83/8821; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/9454; Y10T83/97
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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |