US2455205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions suitable for use as gas and power producing liquids
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1946-07-17
•
Granted: 1948-11-30
•
Expires: 1966-07-17
Abstract
No abstract record available.
Inventors
- 👤 Whetstone John
- 👤 Taylor James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:13
CPC Classifications
C; C06; C06B; C06B31/00; C06B31/28; C06B31/30; C06B23/00; C06B23/009; Y; Y10; Y10S; Y10S60/00; Y10S60/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE326184C
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DE380885C
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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) | 1951-11-30 | 1952-05-31 | 1952-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-30 | 1956-05-31 | 1956-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-30 | 1960-05-31 | 1960-11-30 | $7700.00 | Window Closed / Lapsed |