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US4032296B1
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US4032296B1 - - Google Patents
Assignee: Purdue Research Foundation
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Filing: 1976-01-12
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Granted: 1987-01-20
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Expires: 1996-01-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:34
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/62; G01N30/64; G01N27/00; G01N27/02; G01N27/04; G01N27/06; G01N30/84; G01N2030/8405; Y; Y10; Y10T; Y10T436/00; Y10T436/15; Y10T436/153333; Y10T436/17; Y10T436/173845; Y10T436/175383; Y10T436/18; Y10T436/20; Y10T436/204998
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) | 1990-01-19 | 1990-07-21 | 1991-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-19 | 1994-07-21 | 1995-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-19 | 1998-07-21 | 1999-01-20 | $7700.00 | Window Closed / Lapsed |