Patent US4954730A successfully refreshed from Google Patents.
Patent US3345845A successfully refreshed from Google Patents.
US3345845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Profiling methods and machines
Assignee: Individual
•
Filing: 1964-08-10
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Granted: 1967-10-10
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Marcovitch Isaac
- 👤 Marcovitch Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:42
CPC Classifications
B; B23; B23D; B23D15/00; B23D15/002; B21; B21H; B21H1/00; B21H1/06; B21H1/12; B21H5/00; B21H5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A MACHINE FOR PROFILING ANNULAR WORKPIECES COMPRISING JUXTAPOSED ROLLERS DEFINING BETWEEN THEM A PROFILING SPACE OF DIMINISHING EXTENT, MEANS TO ROTATE AT LEAST ONE OF THE ROLLERS, A CYLINDRICAL CORE LOOSELY POSITIONED THROUGH AN ANNULAR WORKPIECE TO PROJECT EACH SIDE OF IT, THE PROJECTING ENDS ROLLING ON AT LEAST ONE OF THE ROLLERS, AND MEANS TO CONTROL THE AXIAL SPREAD, IN AT LEAST ONE DIRECTION, OF A WORKPIECE SURROUNDING THE CORE AND PASSING THROUGH THE PROFILING SPACE.
Claim 2
Dependent Claim
77 words
A MACHINE FOR PROFILING ANNULAR WORKPIECES COMPRISING JUXTAPOSED ROLLERS DEFINING BETWEEN THEM A PROFILING SPACE OF DIMINISHING EXTENT, MEANS TO ROTATE AT LEAST ONE OF THE ROLLERS, A CYLINDRICAL CORE LOOSELY POSITIONED THROUGH AN ANNULAR WORKPIECE TO PROJECT EACH SIDE OF IT, THE PROJECTING ENDS ROLLING ON AT LEAST ONE OF THE ROLLERS, AND MEANS TO CONTROL THE AXIAL SPREAD, IN AT LEAST ONE DIRECTION, OF A WORKPIECE SURROUNDING THE CORE AND PASSING THROUGH THE PROFILING SPACE.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |