US3414524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalysis
Assignee: Simon Carves Ltd
•
Filing: 1964-09-18
•
Granted: 1968-12-03
•
Expires: 1984-09-18
Abstract
No abstract record available.
Inventors
- 👤 James W Abson
- 👤 Landau Manfred
- 👤 Maurice C Langton
- 👤 Molyneux Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:56
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/36; B01J27/00; B01J27/02; B01J27/04; Y; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/17; Y10S502/00; Y10S502/514
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |