Patent US3302256A successfully refreshed from Google Patents.
US3302256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasifiable feeder head pattern
Assignee: Full Mold Process Inc
•
Filing: 1964-09-15
•
Granted: 1967-02-07
•
Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 Wittmoser Adalbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:39
CPC Classifications
B; B22; B22C; B22C7/00; B22C7/02; B22C7/023; B22D; B22D7/00; B22D7/06; B22D7/10
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |