Patent US2661679A successfully refreshed from Google Patents.
US2661679A
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US
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Combination cake pan and support
Assignee: General Mills Inc
•
Filing: 1949-04-12
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Granted: 1953-12-08
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Expires: 1969-04-12
Abstract
No abstract record available.
Inventors
- 👤 Walter Van Guilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:14
CPC Classifications
A; A21; A21B; A21B3/00; A21B3/13; Y; Y10; Y10S; Y10S249/00; Y10S249/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2188955A
Cited
US996511A
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US1456238A
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US1683611A
Cited
US1758571A
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US1992950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |