US2454982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Motors Liquidation Co
•
Filing: 1945-05-17
•
Granted: 1948-11-30
•
Expires: 1965-05-17
Abstract
No abstract record available.
Inventors
- 👤 De Loss D Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:37
CPC Classifications
B; B01; B01D; B01D35/00; B01D29/00; B01D29/11; Y; Y10; Y10S; Y10S29/00; Y10S29/031; Y10T; Y10T29/00; Y10T29/49; Y10T29/496; Y10T29/49604; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/1209; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1677892A
Cited
US1646404A
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US2157596A
Cited
US2220641A
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US2297817A
Cited
US2273589A
Cited
US2267918A
Cited
US2327805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-30 | 1952-05-31 | 1952-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-30 | 1956-05-31 | 1956-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-30 | 1960-05-31 | 1960-11-30 | $7700.00 | Window Closed / Lapsed |