Patent US3172790A successfully refreshed from Google Patents.
US3172790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire mold intermediate component
Assignee: —
•
Filing: —
•
Granted: 1965-03-09
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Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:16
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0606; B29C; B29C33/00; B29C33/42; B29D2030/0607; B29D2030/0613
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A TIRE MOLD INTERMEDIATE COMPONENT COMPRISING A SOLUTION HEAT TREATED, PARTIALLY AGED FORGING OF AN ALUMINUM BASE ALLOY CONSISTING ESSENTIALLY, ON A WEIGHT BASIS, OF FROM ABOUT 2.11%-2.5% COPPER, ABOUT 0.9%1.3% IRON, ABOUT 1.4%-1.8% MAGNESIUM, ABOUT 0.9%1.2% NICKEL, ABOUT 0.04% TO ABOUT 0.1% TITANIUM, AND LESS THAN 0.25% SILICON AND THE BALANCE ALUMINUM AND NORMAL IMPURITIES, SAID COMPONENT HAVING LOW POROSITY, AND BEING CAPABLE OF BEING MACHINED WITH SMOOTH INTERIOR SURFACES WHICH RESIST ADHESION TO RUBBER, CARBON AND SULFUR.
Claim 2
Dependent Claim
79 words
A TIRE MOLD INTERMEDIATE COMPONENT COMPRISING A SOLUTION HEAT TREATED, PARTIALLY AGED FORGING OF AN ALUMINUM BASE ALLOY CONSISTING ESSENTIALLY, ON A WEIGHT BASIS, OF FROM ABOUT 2.11%-2.5% COPPER, ABOUT 0.9%1.3% IRON, ABOUT 1.4%-1.8% MAGNESIUM, ABOUT 0.9%1.2% NICKEL, ABOUT 0.04% TO ABOUT 0.1% TITANIUM, AND LESS THAN 0.25% SILICON AND THE BALANCE ALUMINUM AND NORMAL IMPURITIES, SAID COMPONENT HAVING LOW POROSITY, AND BEING CAPABLE OF BEING MACHINED WITH SMOOTH INTERIOR SURFACES WHICH RESIST ADHESION TO RUBBER, CARBON AND SULFUR.
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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |