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Patent US3420194A successfully refreshed from Google Patents.
US3420194A
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US
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Fourfold pastry making device
Assignee: Individual
•
Filing: 1967-09-19
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Granted: 1969-01-07
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Expires: 1987-09-19
Abstract
No abstract record available.
Inventors
- 👤 Leonhard Schafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:23
CPC Classifications
A; A21; A21C; A21C9/00; A21C9/06; A21C9/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US628449A
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US2055726A
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US2574548A
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US2747521A
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US2969025A
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US3190240A
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US3265016A
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US3257973A
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US3379139A
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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) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |