US2907653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper base alloy
Assignee: Motors Liquidation Co
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Filing: 1958-03-07
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Granted: 1959-10-06
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Expires: 1978-03-07
Abstract
No abstract record available.
Inventors
- 👤 James C Holzwarth
- 👤 Robert F Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:39
CPC Classifications
C; C22; C22C; C22C9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
2. A COPPER BASE ALLOY COMPRISING ABOUT 55% TO 90% COPPER, 6.5% TO 40% IRON, 0.8% TO 8% TITANIUM AND 0.5% TO 6% ALUMINUM, A SUNSTANTIAL PROPORTION OF SAID IRON, TITANIUM AND ALUMINUM BEING PRESENT IN THE FORM OF A HARD NETWORK OF AT LEAST ONE IRON-TITANIUM-ALUMINIUM ATERNARY COMPOUND IN A COPPER-RICH MATRIX OF SAID ALLOY.
Claim 2
Dependent Claim
56 words
2. A COPPER BASE ALLOY COMPRISING ABOUT 55% TO 90% COPPER, 6.5% TO 40% IRON, 0.8% TO 8% TITANIUM AND 0.5% TO 6% ALUMINUM, A SUNSTANTIAL PROPORTION OF SAID IRON, TITANIUM AND ALUMINUM BEING PRESENT IN THE FORM OF A HARD NETWORK OF AT LEAST ONE IRON-TITANIUM-ALUMINIUM ATERNARY COMPOUND IN A COPPER-RICH MATRIX OF SAID ALLOY.
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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |