Patent US2424235A successfully refreshed from Google Patents.
US2424235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection mold
Assignee: TEKSUN Inc
•
Filing: 1944-11-28
•
Granted: 1947-07-22
•
Expires: 1964-11-28
Abstract
No abstract record available.
Inventors
- 👤 Howard G Hoffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:34
CPC Classifications
B; B29; B29D; B29D11/00; B29D11/00009; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/2673; B29C2045/2679; Y; Y10; Y10S; Y10S425/00; Y10S425/808
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1950-07-21 | 1951-01-20 | 1951-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-21 | 1955-01-20 | 1955-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-21 | 1959-01-20 | 1959-07-22 | $7700.00 | Window Closed / Lapsed |