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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
F25J 3/02 |
| (11) | Number of the document | 3703 |
| (13) | Kind of document | B |
| (21) | Application number | IP1478 |
| (22) | Date of filing the application | 1993-11-22 |
| (41) | Date of publication of the application | 1995-06-26 |
| (45) | Date of publication of patent | 1996-02-26 |
| (30) | Number | Date | Country code |
| 194878 | 1988-05-17 | US | |
| 4614265 | 1989-05-16 | SU |
| (71) |
Elcor Corporation,
Wellington Centre, Suite 1000, 14643 Dallas Parkway, Dallas, Texas 75240-8871,
US
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| (72) |
Roy E. CAMPBELL, US
John D. WILKINSON, US Hank M. HUDSON, US |
| (73) |
Elcor Corporation,
Wellington Centre, Suite 1000, 14643 Dallas Parkway, Dallas, Texas 75240-8871,
US
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| (74) |
Rita LAURINAVIČIŪTĖ,
Gedimino pr. 45-6, LT-01109 Vilnius,
LT
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| (54) | METHOD AND EQUIPMENT FOR GAS SEPARATION |
| Payment date | Validity (years) | Amount | |
| 1995-10-03 | 3 | 70.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1996-11-22 |