Patent US3783353A successfully refreshed from Google Patents.
Patent US3474495A successfully refreshed from Google Patents.
US3474495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion die
Assignee: JAMES S DEUTSCH
•
Filing: 1967-01-12
•
Granted: 1969-10-28
•
Expires: 1987-01-12
Abstract
No abstract record available.
Inventors
- 👤 Fred Deutsch
- 👤 Lawrence S Deutsch
- 👤 James S Deutsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:24
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/345; B29C48/03; B29C48/09; B29C48/10; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1350722A
Cited
US2047395A
Cited
US2401551A
Cited
US2754543A
Cited
US3019746A
Cited
US3059939A
Cited
US3118179A
Cited
US3196486A
Cited
US3344473A
Cited
US3323172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |