US3151979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High strength steel and method of treatment thereof
Assignee: United States Steel Corp
•
Filing: 1962-03-21
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Granted: 1964-10-06
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Expires: 1982-03-21
Abstract
No abstract record available.
Inventors
- 👤 Dennis J Carney
- 👤 Samuel J Manganello
- 👤 John E Steiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:46
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A GENERATOR RETAINING RING COMPRISING AN ANNULAR STEEL BODY, THE STEEL OF SAID BODY CONSISTING ESSENTIALLY OF:
Claim 2
Dependent Claim
17 words
A GENERATOR RETAINING RING COMPRISING AN ANNULAR STEEL BODY, THE STEEL OF SAID BODY CONSISTING ESSENTIALLY OF:
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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |