Patent US3393086A successfully refreshed from Google Patents.
US3393086A
Expired / Lapsed
US
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Cooking utensil and method of coating the same with a polytetrafluoroethylene layer
Assignee: Standard International Corp
•
Filing: 1965-05-17
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Granted: 1968-07-16
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Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 John H Keating
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:58
CPC Classifications
C; C03; C03C; C03C8/00; A; A47; A47J; A47J36/00; A47J36/02; B; B05; B05D; B05D5/00; B05D5/08; B05D5/083; B05D5/086; B05D2202/00; B05D2202/20; B05D2202/25; C03C2207/00; C03C2207/08; Y; Y10; Y10S; Y10S426/00; Y10S426/811; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31678
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |