US3449244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of steam condensate
Assignee: Phillips Petroleum Co
•
Filing: 1964-09-11
•
Granted: 1969-06-10
•
Expires: 1984-09-11
Abstract
No abstract record available.
Inventors
- 👤 Harris A Clay
- 👤 Gene K Reinmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:59
CPC Classifications
B; B01; B01D; B01D12/00; B01D17/00; B01D17/02; B01D17/0208; B01D17/04; B01D17/047; B01D17/048; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/901; Y10S585/919; Y10S585/921; Y10S585/922; Y10S585/924; Y10S585/949; Y10S585/95
Claims Analysis
Total Claims: 0
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US3259568A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |