US2983997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sintered magnetizable body from metal carbonyls and halides
Assignee: GAF Chemicals Corp
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Filing: 1960-02-10
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Granted: 1961-05-16
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Expires: 1980-02-10
Abstract
No abstract record available.
Inventors
- 👤 Schmeckenbecher Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:56
CPC Classifications
H; H01; H01M; H01M4/00; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/04; H01F1/06; H01F1/065; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A SINTERED MAGNETIZABLE BODY OF AT LEAST ONE METAL OF THE GROUP CONSISTING OF IRON, COBALT AND NICKEL HAVING A POROSITY OF 90-93% AND CONSISTING OF A LOOSE NETWORK OF KNOTTY BRANCHES OF ONE MICRON DIAMETER AND BELOW AND CONTAINING FROM 0.01% TO 0.5% OF AN ELEMENT SELECTED FROM THE CLASS CONSISTING OF ARSENIC, BORON, PHOSPHORUS, SILICON AND TITANIUM.
Claim 2
Dependent Claim
59 words
A SINTERED MAGNETIZABLE BODY OF AT LEAST ONE METAL OF THE GROUP CONSISTING OF IRON, COBALT AND NICKEL HAVING A POROSITY OF 90-93% AND CONSISTING OF A LOOSE NETWORK OF KNOTTY BRANCHES OF ONE MICRON DIAMETER AND BELOW AND CONTAINING FROM 0.01% TO 0.5% OF AN ELEMENT SELECTED FROM THE CLASS CONSISTING OF ARSENIC, BORON, PHOSPHORUS, SILICON AND TITANIUM.
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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |