US2406558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylic resins
Assignee: EDWARD L SYMONDS
•
Filing: 1943-12-10
•
Granted: 1946-08-27
•
Expires: 1963-12-10
Abstract
No abstract record available.
Inventors
- 👤 Henry T Neumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:43
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/06; C08J11/08; 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) | 1949-08-26 | 1950-02-25 | 1950-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-26 | 1954-02-25 | 1954-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-26 | 1958-02-25 | 1958-08-27 | $7700.00 | Window Closed / Lapsed |