US2834674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making strip
Assignee: SILVASY
•
Filing: 1955-05-12
•
Granted: 1958-05-13
•
Expires: 1975-05-12
Abstract
No abstract record available.
Inventors
- 👤 John E Silvasy
- 👤 Taylor Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:51
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE METHOD OF PRODUCING SHEET METAL STRIPS FROM POWDERED METAL COMPRISING FEEDING POWDERED METAL UNDER PRESSURE TO PRESSURE ROLLS, COMPRESSING THE POWDERED METAL BY ROLLING IN SAID ROLLS, FRICTIONALLY RESISTING THE PASSAGE OF THE MATERIAL FROM THE ROLLS TO INCREASE THE COMPRESSION OF THE MATERIAL BETWEEN THE ROLLS, SINTERING THE MATERIAL AFTER THE SAME HAS BEEN COMPRESSED, AND THEN FINISH-ROLLING THE STRIP.
Claim 2
Independent Claim
62 words
THE METHOD OF PRODUCING SHEET METAL STRIPS FROM POWDERED METAL COMPRISING FEEDING POWDERED METAL UNDER PRESSURE TO PRESSURE ROLLS, COMPRESSING THE POWDERED METAL BY ROLLING IN SAID ROLLS, FRICTIONALLY RESISTING THE PASSAGE OF THE MATERIAL FROM THE ROLLS TO INCREASE THE COMPRESSION OF THE MATERIAL BETWEEN THE ROLLS, SINTERING THE MATERIAL AFTER THE SAME HAS BEEN COMPRESSED, AND THEN FINISH-ROLLING THE STRIP.
References Cited (Backward Citations)
US1930287A
Cited
US1920023A
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US2337588A
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US2290734A
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US2350179A
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US2341732A
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US2332170A
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US2713188A
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US2685115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |