US3490823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warming oven
Assignee: WILLIAM M BARDEAU
•
Filing: 1967-12-11
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Granted: 1970-01-20
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Expires: 1987-12-11
Abstract
No abstract record available.
Inventors
- 👤 Hans Neu
- 👤 William M Bardeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:17
CPC Classifications
A; A47; A47B; A47B88/00; A47B88/40; A47B88/483; A47B88/487; A47B88/473; A47B88/50; A47B2210/00; A47B2210/0002; A47B2210/0029; A47B2210/0043; A47B2210/0051; A47B2210/0059; F; F24; F24C; F24C15/00; F24C15/16; F24C15/162; F24C15/18
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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |