US2200477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration control system
Assignee: Honeywell Inc
•
Filing: 1938-03-17
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Granted: 1940-05-14
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Expires: 1958-03-17
Abstract
No abstract record available.
Inventors
- 👤 Alwin B Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:30
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/025; F25B2700/00; F25B2700/19; F25B2700/193; F25B2700/1931; F25B2700/1933; F25B2700/21; F25B2700/2104; F25B2700/2115; F25B2700/21156; F25B2700/21157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-05-14 | 1943-11-13 | 1944-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-14 | 1947-11-13 | 1948-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-14 | 1951-11-13 | 1952-05-14 | $7700.00 | Window Closed / Lapsed |