US2590328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating unit for cooking devices
Assignee: Sunbeam Corp
•
Filing: 1948-02-26
•
Granted: 1952-03-25
•
Expires: 1968-02-26
Abstract
No abstract record available.
Inventors
- 👤 Ludvik J Koci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:24
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; A47J37/0807
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US533795A
Cited
US1219650A
Cited
US1345004A
Cited
US1587023A
Cited
US1611769A
Cited
US1745340A
Cited
US1955026A
Cited
US2042215A
Cited
GB445532A
Cited
US2235091A
Cited
US2165204A
Cited
US2261496A
Cited
US2261533A
Cited
US2368026A
Cited
US2459169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |