Patent US1517221A successfully refreshed from Google Patents.
US1517221A
Expired / Lapsed
US
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Process of reclaiming rubber materials and the product
Assignee: Fisk Rubber Co
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Filing: 1922-05-03
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Granted: 1924-11-25
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Expires: 1942-05-03
Abstract
No abstract record available.
Inventors
- 👤 George J Mead
- 👤 Clement A Rossbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:22
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/10; C08J2321/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
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) | 1927-11-25 | 1928-05-26 | 1928-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-11-25 | 1932-05-26 | 1932-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-11-25 | 1936-05-26 | 1936-11-25 | $7700.00 | Window Closed / Lapsed |