US2956316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanized facilities for producing and assembling foundry molds of alternately differing types
Assignee: Combustion Engineering Inc
•
Filing: 1958-04-28
•
Granted: 1960-10-18
•
Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Deakins
- 👤 John A Lasater
- 👤 Jr Samuel C Northington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:54
CPC Classifications
B; B22; B22D; B22D33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US997306A
Cited
US1512721A
Cited
US1970779A
Cited
US2651087A
Cited
US2767865A
Cited
US2798267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |