Patent US2134124A successfully refreshed from Google Patents.
US2134124A
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Hard rubber article and method of producing same
Assignee: American Hard Rubber Co
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Filing: 1937-04-23
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Granted: 1938-10-25
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Expires: 1957-04-23
Abstract
No abstract record available.
Inventors
- 👤 Hiemann Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:06
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C2791/00; B29C2791/001; B29C35/00; B29C35/02; B29C35/04; B29C35/049; B29C37/00; B29C37/0053; B29C43/22; B29C43/32; B29C43/52; B29K; B29K2021/00; B29K2105/00; B29K2105/25; B29K2105/251; B29K2995/00; B29K2995/0018; B29L; B29L2031/00; B29L2031/722; B29L2031/74; B29L2031/7404; Y; Y10; Y10S; Y10S264/00; Y10S264/66; Y10S524/00; Y10S524/925; Y10T; Y10T428/00; Y10T428/8305
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) | 1941-10-24 | 1942-04-25 | 1942-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-24 | 1946-04-25 | 1946-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-24 | 1950-04-25 | 1950-10-25 | $7700.00 | Window Closed / Lapsed |