US3392013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cast iron composition and process for making
Assignee: OI Glass Inc
•
Filing: 1966-03-14
•
Granted: 1968-07-09
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Oldfield William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:05
CPC Classifications
C; C22; C22C; C22C37/00; C22C37/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A CASTING FORMED FROM A FERROUS ALLOY HAVING THE FOLLOWING CHEMISTRY:
Claim 2
Dependent Claim
11 words
A CASTING FORMED FROM A FERROUS ALLOY HAVING THE FOLLOWING CHEMISTRY:
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |