Patent US2379368A successfully refreshed from Google Patents.
US2379368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon alkylation process
Assignee: Phillips Petroleum Co
•
Filing: 1942-10-05
•
Granted: 1945-06-26
•
Expires: 1962-10-05
Abstract
No abstract record available.
Inventors
- 👤 Maryan P Matuszak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:01
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; B; B01; B01J; B01J10/00; B01J14/00; B01J19/00; B01J19/0053; B01J19/006; B01J19/0066; B01J19/18; B01J4/00; B01J4/001; B01J4/002; C07C2/64; C07C2/66; C07C2/70; B01J2219/00; B01J2219/00002; B01J2219/00004; B01J2219/00006; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00105; B01J2219/0011; B01J2219/00761; B01J2219/00763; B01J2219/00765; B01J2219/00768; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/922; Y10S585/923
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) | 1948-06-25 | 1948-12-25 | 1949-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-25 | 1952-12-25 | 1953-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-25 | 1956-12-25 | 1957-06-26 | $7700.00 | Window Closed / Lapsed |