Patent US3499720A successfully refreshed from Google Patents.
US4985196B1
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Pipe liner process
Assignee: PIPE LINERS Inc 3421 CAUSEWAY BLVD METAIRIE LOUISIANA 70002 A CORP OF LO
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Filing: 1987-10-30
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Granted: 1997-11-18
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Expires: 2007-10-30
Abstract
No abstract record available.
Inventors
- 👤 Patrick Ledoux
- 👤 Lue Fourgaut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:02
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/26; B29C63/34; B29C63/343; B29C67/00; B29C67/0014; Y; Y10; Y10S; Y10S138/00; Y10S138/05
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) | 2000-11-17 | 2001-05-19 | 2001-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-11-17 | 2005-05-19 | 2005-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-11-17 | 2009-05-19 | 2009-11-18 | $7700.00 | Window Closed / Lapsed |