US2935402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot rolling of metal powder
Assignee: Vodafone GmbH
•
Filing: 1954-04-15
•
Granted: 1960-05-03
•
Expires: 1974-04-15
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Trotter
- 👤 Richard B Montgomery
- 👤 Lincoln T Work
- 👤 Naeser Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:59
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
THE PROCESS OF PRODUCING FABRICATED WROUGHT METAL PRODUCTS FROM METAL POWDER WHICH COMPRISES HEATING THE METAL POWDER TO FORM A SHAPED COHERENT SINTERED POROUS BAR, COMPRESSING THE BAR WHILE IT IS STILL HOT BETWEEN A PAIR OF PRESSURE ROLLS SUFFICIENTLY TO CAUSE NEARLY COMPLETE DENSIFICATION THEREOF BUT INSUFFICIENTLY TO CAUSE ANY SUBSTANTIAL ELONGATION THEREOF, AGAIN HEATING THE BAR TO A
Claim 2
Dependent Claim
60 words
THE PROCESS OF PRODUCING FABRICATED WROUGHT METAL PRODUCTS FROM METAL POWDER WHICH COMPRISES HEATING THE METAL POWDER TO FORM A SHAPED COHERENT SINTERED POROUS BAR, COMPRESSING THE BAR WHILE IT IS STILL HOT BETWEEN A PAIR OF PRESSURE ROLLS SUFFICIENTLY TO CAUSE NEARLY COMPLETE DENSIFICATION THEREOF BUT INSUFFICIENTLY TO CAUSE ANY SUBSTANTIAL ELONGATION THEREOF, AGAIN HEATING THE BAR TO A
References Cited (Backward Citations)
US2027532A
Cited
US2134366A
Cited
US2252697A
Cited
US2290734A
Cited
US2300048A
Cited
US2332746A
Cited
US2287663A
Cited
US2350179A
Cited
US2341732A
Cited
US2362701A
Cited
US2362007A
Cited
US2771637A
Cited
US2747256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |