US2129203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for heattreating metallic members coated with rubber
Assignee: Individual
•
Filing: 1936-09-16
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Granted: 1938-09-06
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Expires: 1956-09-16
Abstract
No abstract record available.
Inventors
- 👤 Dufour Rene Alphonse
- 👤 Leduc Henri Auguste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:27
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/12; B29C35/14; B29C33/00; B29C33/02; B29C33/06; B29C35/0227; B29C70/00; B29C70/68; B29C70/72; B29C35/08; B29C35/0805; B29C2035/0811; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29K2105/16; B29K2705/00; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10S528/00; Y10S528/931; Y10S65/00; Y10S65/04
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) | 1941-09-05 | 1942-03-07 | 1942-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-05 | 1946-03-07 | 1946-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-05 | 1950-03-07 | 1950-09-06 | $7700.00 | Window Closed / Lapsed |