US1873104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch for duplex waffle irons
Assignee: CHICAGO ELECTRIC Manufacturing CO
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Filing: 1930-02-13
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Granted: 1932-08-23
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Expires: 1950-02-13
Abstract
No abstract record available.
Inventors
- 👤 Bernhart A Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:23
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0611; Y; Y10; Y10S; Y10S292/00; Y10S292/30; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0937; Y10T292/0938; Y10T292/0943; Y10T292/0945; Y10T292/0949
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-08-23 | 1936-02-22 | 1936-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-23 | 1940-02-22 | 1940-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-23 | 1944-02-22 | 1944-08-23 | $7700.00 | Window Closed / Lapsed |