US2855368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a non-vaporizing getter
Assignee: US Philips Corp
•
Filing: 1954-09-13
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Granted: 1958-10-07
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Expires: 1974-09-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Hendrik Johannes Re Perdijk
- 👤 Fast Johann Diedrich
- 👤 Fransen Jan Josephus Bernardus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:37
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18; H01J17/00; H01J17/02; H01J17/22; H01J17/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
84 words
A METHOD OF PRODUCING A NON-VAPORIZING GETTER COMPRISING MIXING AND COMPRESSING WITHOUT SINTERING A FIRST PULVERULENT GAS-ABSORBING METAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM, THORIUM, TITANINUM, TANTALUM, NIOBIUM AND VANADIUM AND SELECTED FROM THE GROUP MATERIAL CONTAINING AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, SILICON, AND BERYLLIUM TO FORM A COHERENT MASS, MOUNTING SAID MASS WITHIN A VESSEL, AND THEN ACTIVATING SAID MASS FOR THE FIRST TIME WHILE WITHIN SAID VESSEL BY SUBJECTING IT TO HEAT WITHOUT SINTERING OR VAPORIZING IT.
Claim 2
Independent Claim
84 words
A METHOD OF PRODUCING A NON-VAPORIZING GETTER COMPRISING MIXING AND COMPRESSING WITHOUT SINTERING A FIRST PULVERULENT GAS-ABSORBING METAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM, THORIUM, TITANINUM, TANTALUM, NIOBIUM AND VANADIUM AND SELECTED FROM THE GROUP MATERIAL CONTAINING AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, SILICON, AND BERYLLIUM TO FORM A COHERENT MASS, MOUNTING SAID MASS WITHIN A VESSEL, AND THEN ACTIVATING SAID MASS FOR THE FIRST TIME WHILE WITHIN SAID VESSEL BY SUBJECTING IT TO HEAT WITHOUT SINTERING OR VAPORIZING IT.
Claim 3
Independent Claim
96 words
A METHOD OF PRODUCING A NON-VAPORIZING GETTER COMPRISING MIXING AND COMPRESSING WITHOUT SINTERING A FIRST PULVERULENT GAS-ABSORBENT METAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM, THORIUM, TITANIUM, TANTALUM, NIOBIUM AND VANADIUM, A SECOND PULVERULENT MATERIAL CONSISTING AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, SILICON, AND BERYLLIUM AND A THIRD PULVERULENT METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, IRON AND TITANIUM TO FORM A COHERENT MASS, MOUNTING SAID MASS WITHIN A VESSEL, AND THEN ACTIVATING SAID MASS FOR THE FIRST TIME WHILE SAID VESSEL BY SUBJECTING IT TO HEAT WITHOUT SINTERING OR VAPORIZING IT.
Claim 4
Independent Claim
96 words
A METHOD OF PRODUCING A NON-VAPORIZING GETTER COMPRISING MIXING AND COMPRESSING WITHOUT SINTERING A FIRST PULVERULENT GAS-ABSORBENT METAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM, THORIUM, TITANIUM, TANTALUM, NIOBIUM AND VANADIUM, A SECOND PULVERULENT MATERIAL CONSISTING AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, SILICON, AND BERYLLIUM AND A THIRD PULVERULENT METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, IRON AND TITANIUM TO FORM A COHERENT MASS, MOUNTING SAID MASS WITHIN A VESSEL, AND THEN ACTIVATING SAID MASS FOR THE FIRST TIME WHILE SAID VESSEL BY SUBJECTING IT TO HEAT WITHOUT SINTERING OR VAPORIZING IT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |