US3029609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freezing apparatus
Assignee: Lanteris Space LLC
•
Filing: 1959-06-29
•
Granted: 1962-04-17
•
Expires: 1979-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Elmer W Zearfoss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:45
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/04; F25C2305/00; F25C2305/022; F25C2305/0221; F25C2400/00; F25C2400/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US718765A
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US771265A
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US1398351A
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US1868503A
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US1868070A
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US1995124A
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US2161321A
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US2212405A
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US2259066A
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US2407058A
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US2778198A
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US2771749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |