US3493726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated grilling surfaces
Assignee: WILLIAM M BARDEAU
•
Filing: 1967-11-20
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Granted: 1970-02-03
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Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 William M Bardeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:10
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0611; A47J36/00; A47J36/02; A47J37/067; A47J37/0676; H; H05; H05B; H05B3/00; H05B3/68; H05B3/74; H05B3/748
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) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |