Patent US5668549A successfully refreshed from Google Patents.
US3393532A
Expired / Lapsed
US
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Refrigerated conveyor system
Assignee: IPCO US LLC
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Filing: 1966-10-20
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Granted: 1968-07-23
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Expires: 1986-10-20
Abstract
No abstract record available.
Inventors
- 👤 Rouzas R Khoylian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:54
CPC Classifications
F; F25; F25D; F25D13/00; F25D13/06; F25D13/067; F25D2317/00; F25D2317/06; F25D2317/066; F25D2317/0665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2402921A
Cited
US3036385A
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US3173276A
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US3218727A
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US3267690A
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US3267585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |