US2743665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waffle baker
Assignee: McGraw Electric Co
•
Filing: 1952-05-02
•
Granted: 1956-05-01
•
Expires: 1972-05-02
Abstract
No abstract record available.
Inventors
- 👤 David A Gustafson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:40
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0611
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1907199A
Cited
US1963655A
Cited
US2024856A
Cited
US2102879A
Cited
US2250966A
Cited
US2237147A
Cited
US2300061A
Cited
US2430715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |