US2098710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making colloidal lead
Assignee: Motors Liquidation Co
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Filing: 1935-08-16
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Granted: 1937-11-09
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Expires: 1955-08-16
Abstract
No abstract record available.
Inventors
- 👤 Dale M Phillippi
- 👤 James E Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:36
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/0004; B01J13/0043; B22; B22F; B22F1/00; B22F1/05; B22F1/054; B22F1/0545; B22F9/00; B22F9/02; B22F9/14; B82; B82Y; B82Y30/00; B22F2998/00
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) | 1940-11-08 | 1941-05-10 | 1941-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-11-08 | 1945-05-10 | 1945-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-11-08 | 1949-05-10 | 1949-11-09 | $7700.00 | Window Closed / Lapsed |