US2230192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber article and method of forming the same
Assignee: Dewey and Almy Chemical Co
•
Filing: 1938-12-02
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Granted: 1941-01-28
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Expires: 1958-12-02
Abstract
No abstract record available.
Inventors
- 👤 Ross William Campbell
- 👤 Arnolf P Rehbock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:40
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/04; B29C41/06; B29C41/003; B29K; B29K2021/00; B29K2105/00; B29K2105/0058; B29K2105/0064; B29L; B29L2022/00; B29L2022/02; B29L2022/022; Y; Y10; Y10S; Y10S264/00; Y10S264/73; Y10S528/00; Y10S528/931; Y10S528/934; Y10S528/936
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) | 1944-01-28 | 1944-07-29 | 1945-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-28 | 1948-07-29 | 1949-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-28 | 1952-07-29 | 1953-01-28 | $7700.00 | Window Closed / Lapsed |