US2437451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locker refrigerating system
Assignee: Individual
•
Filing: 1944-04-27
•
Granted: 1948-03-09
•
Expires: 1964-04-27
Abstract
No abstract record available.
Inventors
- 👤 Baird William Mckinley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:49
CPC Classifications
F; F25; F25D; F25D13/00; F25D13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1961070A
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US2145892A
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US2163182A
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US2277382A
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US2198239A
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US2226962A
Cited
US2218632A
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US2246342A
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US2341200A
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US2405834A
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US2375688A
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 |