US4915176B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of transporting a hydrate forming fluid
Assignee: IFP Energies nouvelles
•
Filing: 1988-12-23
•
Granted: 1998-06-23
•
Expires: 2008-12-23
Abstract
No abstract record available.
Inventors
- 👤 Andre Sugier
- 👤 Paul Bourgmayer
- 👤 Emmanuel Behar
- 👤 Edouard Freund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:47
CPC Classifications
F; F17; F17D; F17D1/00; F17D1/02; F17D1/04; F17D1/05; C; C07; C07C; C07C7/00; C07C7/20; C10; C10L; C10L3/00; Y; Y10; Y10S; Y10S166/00; Y10S166/902; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0391
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 2001-06-22 | 2001-12-22 | 2002-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-06-22 | 2005-12-22 | 2006-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-06-22 | 2009-12-22 | 2010-06-23 | $7700.00 | Window Closed / Lapsed |