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US4489022B1
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US4489022B1 - - Google Patents
Assignee: AGC Glass Europe SA
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Filing: 1982-09-17
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Granted: 1991-04-16
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Expires: 2002-09-17
Abstract
No abstract record available.
Inventors
- 👤 Robyn Pierre
- 👤 Deschepper Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:19
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/16; F27D1/1636; F27D1/1642; F27D1/1647; F27D1/1652; C; C04; C04B; C04B35/00; C04B35/622; C04B35/64; C04B35/65; C04B35/651; C04B35/66; C10; C10B; C10B29/00; C10B29/06
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) | 1994-04-15 | 1994-10-15 | 1995-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-04-15 | 1998-10-15 | 1999-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-04-15 | 2002-10-15 | 2003-04-16 | $7700.00 | Window Closed / Lapsed |