US4164464B1
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US4164464B1 - - Google Patents
Assignee: Instrumentation Specialties Co
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Filing: 1978-04-14
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Granted: 1992-05-12
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Expires: 1998-04-14
Abstract
No abstract record available.
Inventors
- 👤 B Allington William
- 👤 W Nelson James
- 👤 L Cordry Arthur
- 👤 A Mccullough Gail
- 👤 E Mitchell Don
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:41
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44704; G01N27/44717; G01N27/4473; B; B01; B01D; B01D57/00; B01D57/02; G01N1/00; G01N1/28; G01N1/34; G01N1/40; G01N1/4005; G01N2001/4016; G01N2001/4038
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) | 1995-05-12 | 1995-11-11 | 1996-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-05-12 | 1999-11-11 | 2000-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-05-12 | 2003-11-11 | 2004-05-12 | $7700.00 | Window Closed / Lapsed |