Patent US3403639A successfully refreshed from Google Patents.
US3403639A
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US
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Frangible frozen slab handling
Assignee: FMC Corp
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Filing: 1966-12-15
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Granted: 1968-10-01
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Expires: 1986-12-15
Abstract
No abstract record available.
Inventors
- 👤 Hirahara Katsuji
- 👤 Gerald R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:22
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/08; A23G9/10; A23B; A23B2/00; A23B2/80; A23B2/803; A23B2/8033; A23B7/00; A23B7/04; A23B7/0408; A23B7/0416; A23G9/14; A23G9/22; A23G9/26; A23G9/28; A23G9/281; A23G9/283; A23P; A23P30/00; A23P30/10; F; F25; F25C; F25C1/00; F25C1/04; F25D; F25D13/00; F25D13/06; F25D13/065; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |