Patent US2903760A successfully refreshed from Google Patents.
US2903760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold heating and casting pot
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1957-02-26
•
Granted: 1959-09-15
•
Expires: 1977-02-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Millard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:39
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB133889A
Cited
US849514A
Cited
GB190805801A
Cited
US1392317A
Cited
US1930323A
Cited
US2027065A
Cited
US2656171A
Cited
US2666632A
Cited
US2653654A
Cited
US2715436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |