US2513434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the preparation of thermoplastic materials
Assignee: Hercules Powder Co
•
Filing: 1946-12-10
•
Granted: 1950-07-04
•
Expires: 1966-12-10
Abstract
No abstract record available.
Inventors
- 👤 John S Tinsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:36
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; B; B29; B29C; B29C43/00; B29C43/22; B32; B32B; B32B27/00; D06M15/01; D06M15/03; D06M15/05; B29L; B29L2007/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US423593A
Cited
US986162A
Cited
US1579036A
Cited
US2219700A
Cited
US2304886A
Cited
US2321937A
Cited
US2296972A
Cited
US2355919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |