US2335371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding plastic material
Assignee: Individual
•
Filing: 1939-05-09
•
Granted: 1943-11-30
•
Expires: 1959-05-09
Abstract
No abstract record available.
Inventors
- 👤 Sanford L Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:55
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/34; B29C41/50; B29C41/02; B29C70/00; B29C70/58; B29K; B29K2105/00; B29K2105/0058; B29K2105/0073
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) | 1946-11-29 | 1947-05-31 | 1947-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-29 | 1951-05-31 | 1951-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-29 | 1955-05-31 | 1955-11-30 | $7700.00 | Window Closed / Lapsed |