US2420971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multitemperature refrigerator
Assignee: Lanteris Space LLC
•
Filing: 1943-12-31
•
Granted: 1947-05-20
•
Expires: 1963-12-31
Abstract
No abstract record available.
Inventors
- 👤 Frank D Peltier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:08
CPC Classifications
F; F25; F25D; F25D11/00; F25D11/02; F25D2400/00; F25D2400/10
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) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |