US3376709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of acid gases from natural gas by solidification
Assignee: Individual
•
Filing: 1965-07-14
•
Granted: 1968-04-09
•
Expires: 1985-07-14
Abstract
No abstract record available.
Inventors
- 👤 Frank H Dickey
- 👤 Carl F Crownover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:57
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/06; F25J3/063; F25J3/067; C; C07; C07C; C07C7/00; C07C7/14; F25J3/0605; F25J3/061; F25J3/0635; F25J2205/00; F25J2205/20; F25J2215/00; F25J2215/04; F25J2240/00; F25J2240/40; F25J2245/00; F25J2245/02; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y02P; Y02P20/00; Y02P20/151; Y10; Y10S; Y10S62/00; Y10S62/928; Y10S62/929
Claims Analysis
Total Claims: 0
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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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |