Patent US2642822A successfully refreshed from Google Patents.
US2642822A
Expired / Lapsed
US
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Method of making sandwiches
Assignee: Individual
•
Filing: 1947-12-26
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Granted: 1953-06-23
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Expires: 1967-12-26
Abstract
No abstract record available.
Inventors
- 👤 Carlyle W Gentry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:35
CPC Classifications
A; A23; A23G; A23G7/00; A23G9/00; A23G9/04; A23G9/22; A23G9/28; A23G9/286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1482138A
Cited
US1497863A
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US1798560A
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US1755699A
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US2122523A
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US2136505A
Cited
US2154695A
Cited
US2154697A
Cited
US2260563A
Cited
US2347162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |