US2212932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filling material for reaction spaces
Assignee: Individual
•
Filing: 1938-10-28
•
Granted: 1940-08-27
•
Expires: 1958-10-28
Abstract
No abstract record available.
Inventors
- 👤 Fairlie Andrew Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:19
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/30; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30207; B01J2219/30211; B01J2219/304; B01J2219/30416; B01J2219/30433; Y; Y10; Y10S; Y10S261/00; Y10S261/72; Y10S423/00; Y10S423/09; Y10S423/13
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) | 1943-08-27 | 1944-02-26 | 1944-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-27 | 1948-02-26 | 1948-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-27 | 1952-02-26 | 1952-08-27 | $7700.00 | Window Closed / Lapsed |