Patent US4401418B1 successfully refreshed from Google Patents.
US4401418B1
Expired / Lapsed
US
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Muffler system for refrigeration compressor
Assignee: White Consolidated Industries Inc
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Filing: 1981-04-29
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Granted: 1998-01-06
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Expires: 2001-04-29
Abstract
No abstract record available.
Inventors
- 👤 Jack F Fritchman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:14
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/12; F04B39/123; F04B39/0027; F04B39/0055; F04C; F04C29/00; F04C29/06; Y; Y10; Y10S; Y10S181/00; Y10S181/403; Y10S417/00; Y10S417/902
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) | 2001-01-05 | 2001-07-07 | 2002-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-01-05 | 2005-07-07 | 2006-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-01-05 | 2009-07-07 | 2010-01-06 | $7700.00 | Window Closed / Lapsed |