US2437332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-temperature test chamber
Assignee: Honeywell Inc
•
Filing: 1944-01-01
•
Granted: 1948-03-09
•
Expires: 1964-01-01
Abstract
No abstract record available.
Inventors
- 👤 Alwin B Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:57
CPC Classifications
F; F25; F25D; F25D31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2083611A
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US1943971A
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US2097685A
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US2333899A
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US2176001A
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US2269172A
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US2215327A
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US2282385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |