Patent US2625006A successfully refreshed from Google Patents.
Patent US3225283A successfully refreshed from Google Patents.
US3203901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing zirconiumaluminum alloy getters
Assignee: Individual
•
Filing: 1962-02-15
•
Granted: 1965-08-31
•
Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Porta Paolo Della
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:56
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18; H01J7/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METHOD OF PRODUCING A NON-VAPORIZING GETTER COMPRISING COMPRISING AND MELTING PULVERULENT ZIRCONIUM AND PULVERULENT ALUMINUM AND PREPARING A PULVERULENT ALLOY CONSISTING OF 72% BY WEIGHT OF ZIRCONIUM AND 28% BY WEIGHT OF ALUMINUM, COMPRESSING SAID ALLOY INTO PELLET FORM, IN MOUNTING SAID PELLET FORM IN AN ENCLOSURE, EVACUATING SAID ENCLOSURE, AND SUBJECTING SAID PELLET FORM TO HEAT AT A TEMPERATURE OF 1000*C. FOR A PERIOD OF THIRTY SECONDS FOR ITS ACTIVATION.
Claim 2
Independent Claim
72 words
A METHOD OF PRODUCING A NON-VAPORIZING GETTER COMPRISING COMPRISING AND MELTING PULVERULENT ZIRCONIUM AND PULVERULENT ALUMINUM AND PREPARING A PULVERULENT ALLOY CONSISTING OF 72% BY WEIGHT OF ZIRCONIUM AND 28% BY WEIGHT OF ALUMINUM, COMPRESSING SAID ALLOY INTO PELLET FORM, IN MOUNTING SAID PELLET FORM IN AN ENCLOSURE, EVACUATING SAID ENCLOSURE, AND SUBJECTING SAID PELLET FORM TO HEAT AT A TEMPERATURE OF 1000*C. FOR A PERIOD OF THIRTY SECONDS FOR ITS ACTIVATION.
References Cited (Backward Citations)
US2855368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |