US2632310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerated display case
Assignee: BETZ Corp
•
Filing: 1948-04-10
•
Granted: 1953-03-24
•
Expires: 1968-04-10
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Kopp
- 👤 John R Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:05
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0439; A47F3/0443; A47F3/0452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2447760A
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US2494481A
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US2511375A
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US2463614A
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US2466286A
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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) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |