US2425348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixture of cyclized rubber and resorcinol-formaldehyde resol
Assignee: EIDP Inc
•
Filing: 1943-09-09
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Granted: 1947-08-12
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Expires: 1963-09-09
Abstract
No abstract record available.
Inventors
- 👤 Herman E Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:47
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08L; C08L15/00; C09; C09J; C09J161/00; C09J161/04; C09J161/06; C08J2321/00; C08L21/00; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/08; C08L61/00; C08L61/04; C08L61/06; C08L61/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1970835A
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US2072508A
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US2128229A
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US2291208A
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US2343551A
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US2300367A
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US2300368A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-11 | 1951-02-10 | 1951-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-11 | 1955-02-10 | 1955-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-11 | 1959-02-10 | 1959-08-12 | $7700.00 | Window Closed / Lapsed |