US3271653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-stick metallic cooking vessel
Assignee: Westinghouse Electric Corp
•
Filing: 1961-08-22
•
Granted: 1966-09-06
•
Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Robert M Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:40
CPC Classifications
D; D06; D06F; D06F75/00; D06F75/38; A; A47; A47J; A47J36/00; A47J36/02; A47J37/00; A47J37/10; B; B05; B05D; B05D5/00; B05D5/08; B05D5/083; B05D5/086; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/08; C23C4/18
Claims Analysis
Total Claims: 0
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |