US3058137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe line treating apparatus
Assignee: Individual
•
Filing: 1960-01-13
•
Granted: 1962-10-16
•
Expires: 1980-01-13
Abstract
No abstract record available.
Inventors
- 👤 Earl N Doyle
- 👤 Arvanetakis Kiryako
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:52
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/053; B08B9/055; B08B9/0553; B08B9/049; B08B9/051; F; F16; F16L; F16L2101/00; F16L2101/10; F16L2101/12; Y; Y10; Y10S; Y10S118/00; Y10S118/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |