US3009632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple compressor systems for refrigeration installation
Assignee: Worthington Corp
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Filing: 1960-08-29
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Granted: 1961-11-21
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Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 Richard K Berger
- 👤 Soumerai Henri
- 👤 Augustus J Van Newenhoven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:13
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/002; F25B2400/00; F25B2400/07; F25B2400/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |