US2415449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reclaiming rubber
Assignee: U S RUBBER RECLAIMING Co
•
Filing: 1944-02-26
•
Granted: 1947-02-11
•
Expires: 1964-02-26
Abstract
No abstract record available.
Inventors
- 👤 Edward F Sverdrup
- 👤 Elgin Joseph Clifton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:12
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/10; C08J11/18; C08J2321/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1532213A
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US2273506A
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US2280484A
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US2211592A
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US2193624A
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US2304549A
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US2325289A
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US2333810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-10 | 1950-08-12 | 1951-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-10 | 1954-08-12 | 1955-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-10 | 1958-08-12 | 1959-02-11 | $7700.00 | Window Closed / Lapsed |