US3393055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precipitation processes
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1964-10-05
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Granted: 1968-07-16
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Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Stevenson David Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:01
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/28; B01D21/283; B01D21/0018; B01D21/01; B01J; B01J19/00; B01J19/18; B01J19/1812; C; C01; C01G; C01G43/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2747973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |