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US3468369A
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Process and apparatus for handling perishable materials
Assignee: FREEZ PORTER SYSTEMS Inc
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Filing: 1967-04-10
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Granted: 1969-09-23
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Expires: 1987-04-10
Abstract
No abstract record available.
Inventors
- 👤 Harlan M Tetrick
- 👤 Charles E Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:56
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/74; B65D88/744; A; A23; A23B; A23B2/00; A23B2/80; A23B2/805; A23B2/82; F; F25; F25B; F25B25/00; F25B25/005; F25B41/00; F25B41/40; F25D; F25D15/00; F25D17/00; F25D17/02; F25D3/00; F25D3/02; F25D3/06; F25D23/00; F25D23/06; F25D23/061; F25D2331/00; F25D2331/80; F25D2331/804; F25D2400/00; F25D2400/38
Claims Analysis
Total Claims: 0
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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) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |