US1430585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing aromatic hydrocarbons
Assignee: BOSTAPH ENGINEERING Corp
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Filing: 1918-06-24
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Granted: 1922-10-03
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Expires: 1938-06-24
Abstract
No abstract record available.
Inventors
- 👤 Alexander S Ramage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:06
CPC Classifications
C; C10; C10G; C10G3/00; C10G3/50; C07; C07C; C07C1/00; C07C1/20; C07C1/22; C10G3/42; C10G3/44; C10G3/45; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745; C10G2300/00; C10G2300/40; C10G2300/4006; C10G2400/00; C10G2400/30; Y; Y02; Y02P; Y02P30/00; Y02P30/20
Claims Analysis
Total Claims: 0
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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) | 1925-10-02 | 1926-04-03 | 1926-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-10-02 | 1930-04-03 | 1930-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-10-02 | 1934-04-03 | 1934-10-03 | $7700.00 | Window Closed / Lapsed |