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US3473726A
Expired / Lapsed
US
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Compressor for a mechanical refrigerator
Assignee: HENRY AND CIE JEAN KAUER AND CIE SUCC
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Filing: 1968-04-16
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Granted: 1969-10-21
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Expires: 1988-04-16
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang Bachmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:39
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/04; F04B39/041; F04B39/048; F04B25/00; F04B25/005; F04B27/00; F04B27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1593838A
Cited
US1686339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |