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US2418795A
Expired / Lapsed
US
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Hardenable plastic composition
Assignee: Individual
•
Filing: 1943-07-09
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Granted: 1947-04-08
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Expires: 1963-07-09
Abstract
No abstract record available.
Inventors
- 👤 Skolnik Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:16
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/30; C04B28/32; C04B2111/00; C04B2111/20; C04B2111/27; C04B2111/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-07 | 1950-10-07 | 1951-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-07 | 1954-10-07 | 1955-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-07 | 1958-10-07 | 1959-04-08 | $7700.00 | Window Closed / Lapsed |