US2188007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inorganic aerogel compositions
Assignee: Individual
•
Filing: 1937-07-03
•
Granted: 1940-01-23
•
Expires: 1957-07-03
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Kistler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:33
CPC Classifications
C; C10; C10M; C10M5/00; B; B01; B01J; B01J13/00; B01J13/0091; B01J20/00; B01J20/02; B01J20/06; B01J21/00; B01J21/06; B01J21/08; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/14; C01B33/157; C01B33/158; C01B33/1585; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/043; C10M2201/06; C10M2201/062; C10M2201/063; C10M2201/10; C10M2201/102; C10M2201/105; C10M2205/00; C10M2205/02; C10M2205/026; C10M2209/00; C10M2209/12; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/20; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1943-01-22 | 1943-07-24 | 1944-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-01-22 | 1947-07-24 | 1948-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-01-22 | 1951-07-24 | 1952-01-23 | $7700.00 | Window Closed / Lapsed |