US4762564B1
Expired / Lapsed
US
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US4762564B1 - - Google Patents
Assignee: Devro Teepak Inc
•
Filing: 1987-03-13
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Granted: 1992-12-29
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Expires: 2007-03-13
Abstract
No abstract record available.
Inventors
- 👤 J Bridgeford Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:34
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/18; C08B; C08B15/00; C08B15/05; C08B15/06; D; D01; D01F; D01F2/00; C08J2301/00; C08J2301/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982; Y10T442/00; Y10T442/20; Y10T442/2861; Y10T442/2869
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) | 1995-12-29 | 1996-06-29 | 1996-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-12-29 | 2000-06-29 | 2000-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-12-29 | 2004-06-29 | 2004-12-29 | $7700.00 | Window Closed / Lapsed |