US2011854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making radiator cores
Assignee: Motors Liquidation Co
•
Filing: 1935-01-14
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Granted: 1935-08-20
•
Expires: 1955-01-14
Abstract
No abstract record available.
Inventors
- 👤 Willard O Emmons
- 👤 Walter R Ramsaur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:15
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; F; F28; F28D; F28D1/00; F28D1/02; F28D1/03; F28D1/0358; Y; Y10; Y10S; Y10S165/00; Y10S165/906
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) | 1938-08-19 | 1939-02-18 | 1939-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-19 | 1943-02-18 | 1943-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-19 | 1947-02-18 | 1947-08-20 | $7700.00 | Window Closed / Lapsed |