US3031735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing electrically heated cooking vessel
Assignee: Sunbeam Corp
•
Filing: 1956-11-19
•
Granted: 1962-05-01
•
Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Jepson Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:03
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; A; A47; A47J; A47J37/00; A47J37/10; A47J37/105; H; H05; H05B; H05B3/00; H05B3/40; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49083; Y10T29/4935; Y10T29/49373; Y10T29/49375; Y10T29/49826; Y10T29/49838
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1564681A
Cited
US2358104A
Cited
US2375334A
Cited
US2443806A
Cited
US2740188A
Cited
US2777300A
Cited
US2766514A
Cited
US2744995A
Cited
US2948053A
Cited
US2920377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |