Patent US1368949A successfully refreshed from Google Patents.
US1368949A
Expired / Lapsed
US
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Plastic composition and process of making the same
Assignee: Individual
•
Filing: 1919-11-22
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Granted: 1921-02-15
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Expires: 1939-11-22
Abstract
No abstract record available.
Inventors
- 👤 Loeffelhardt Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:57
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/30; C04B28/32; C04B2111/00; C04B2111/00474; C04B2111/00482; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
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) | 1924-02-15 | 1924-08-16 | 1925-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-02-15 | 1928-08-16 | 1929-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-02-15 | 1932-08-16 | 1933-02-15 | $7700.00 | Window Closed / Lapsed |