Patent US2852147A successfully refreshed from Google Patents.
Patent US3256804A successfully refreshed from Google Patents.
US3256804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waffle cooker
Assignee: Individual
•
Filing: 1964-11-12
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Granted: 1966-06-21
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Petrin Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:17
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A WAFFLE COOKER WHICH COMPRISES: (A) A FIRST MOLD SHELL HAVING A MOLDING SURFACE AND A POSTERIOR SURFACE, SAIDD MOLDING SURFACE HAVING A PLURALITY OF INTEGRAL MALE MOUNDS, SAID POSTERIOR SURFACE HAVING A CORRESPONDING PLURALITY OF FEMALE INDENTATIONS, EACH OF SAID INDENTATIONS BEING SUBSTANTIALLY SIMILAR IN CONTOUR TO ITS CORRESPONDING MALE MOUND, AND DISPOSED IN SUPERPOSED SPACED RELATION THEREUNDER SO AS TO FORM A MOLD SHELL OF SUBSTANTIALLY UNIFORM THICKNESS WITH HOLLOW MALE MOUNDS; (B) A FIRST HEATING CHMBER ENCLOSING THE POSTERIOR SURFACE OF SAID FIRST MOLD SHELL; (C) A SECOND MOLD SHELL SIMILAR TO THE FIRST; (D) A SECOND HEATING CHAMBER ENCLOSING THE POSTERIOR SURFACE OF SAID SECOND MOLD SHELL; (E) MEANS FOR PASSING A HEATING FLUID THROUGH EACH OF SAID FIRST AND SECOND HEATING CHAMBERS WHEREBY WHEN SAID MOLD SHELLS ARE PLACED IN ABUTTING CONTACT WITH THEIR MOLDING SURFACES FACING EACH OTHER TO FORM A CLOSED MOLD, AND A QUANTITY OF WAFFIE BATTER IS PLACED WITHIN SAID MOLD, THE HEATING FLUID CONTACTS THE POSTERIOR SURFACES OF THE MOLD SHELLS THEREBY RAISING THE TEMPERATURE OF THEIR MOLDING SURFACES TO COOK MOLDED WAFFLES.
Claim 2
Dependent Claim
183 words
A WAFFLE COOKER WHICH COMPRISES: (A) A FIRST MOLD SHELL HAVING A MOLDING SURFACE AND A POSTERIOR SURFACE, SAIDD MOLDING SURFACE HAVING A PLURALITY OF INTEGRAL MALE MOUNDS, SAID POSTERIOR SURFACE HAVING A CORRESPONDING PLURALITY OF FEMALE INDENTATIONS, EACH OF SAID INDENTATIONS BEING SUBSTANTIALLY SIMILAR IN CONTOUR TO ITS CORRESPONDING MALE MOUND, AND DISPOSED IN SUPERPOSED SPACED RELATION THEREUNDER SO AS TO FORM A MOLD SHELL OF SUBSTANTIALLY UNIFORM THICKNESS WITH HOLLOW MALE MOUNDS; (B) A FIRST HEATING CHMBER ENCLOSING THE POSTERIOR SURFACE OF SAID FIRST MOLD SHELL; (C) A SECOND MOLD SHELL SIMILAR TO THE FIRST; (D) A SECOND HEATING CHAMBER ENCLOSING THE POSTERIOR SURFACE OF SAID SECOND MOLD SHELL; (E) MEANS FOR PASSING A HEATING FLUID THROUGH EACH OF SAID FIRST AND SECOND HEATING CHAMBERS WHEREBY WHEN SAID MOLD SHELLS ARE PLACED IN ABUTTING CONTACT WITH THEIR MOLDING SURFACES FACING EACH OTHER TO FORM A CLOSED MOLD, AND A QUANTITY OF WAFFIE BATTER IS PLACED WITHIN SAID MOLD, THE HEATING FLUID CONTACTS THE POSTERIOR SURFACES OF THE MOLD SHELLS THEREBY RAISING THE TEMPERATURE OF THEIR MOLDING SURFACES TO COOK MOLDED WAFFLES.
References Cited (Backward Citations)
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US2380121A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |