US3097426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A hill
Assignee: —
•
Filing: —
•
Granted: 1963-07-16
•
Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:57
CPC Classifications
B; B21; B21H; B21H3/00; B23; B23G; B23G7/00; B23G7/02; Y; Y10; Y10S; Y10S29/00; Y10S29/023; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49748; Y10T29/51; Y10T29/5147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A TOOL FOR CHANGING THE SIZE OF A CYLINDRICAL SURFACE ON A METAL WORKPIECE INCLUDING A THREADED BODY SECTION HAVING A CONSTANT THREAD DEPTH AND PREDETERMINED ROOT, PITCH AND CREST DIAMETERS, AND A THREADED METAL WORKING TAPERED SECTION ADJACENT AND LEADING TO THE BODY SECTION HAVING PREDETERMINED GRADUALLY VARYING ROOT, PITCH AND CREST DIAMETERS, THE THREADS ON THE BODY SECTION BEING A UNIFORM CONTINUATION OF THE THREADS ON THE TAPERED SECTION, THE CROSS SECTIONAL AREA, TAKEN IN AN AXIAL PLANE, OF THE ROOT SPACE BETWEEN THE PITCH AND ROOT
Claim 2
Dependent Claim
89 words
A TOOL FOR CHANGING THE SIZE OF A CYLINDRICAL SURFACE ON A METAL WORKPIECE INCLUDING A THREADED BODY SECTION HAVING A CONSTANT THREAD DEPTH AND PREDETERMINED ROOT, PITCH AND CREST DIAMETERS, AND A THREADED METAL WORKING TAPERED SECTION ADJACENT AND LEADING TO THE BODY SECTION HAVING PREDETERMINED GRADUALLY VARYING ROOT, PITCH AND CREST DIAMETERS, THE THREADS ON THE BODY SECTION BEING A UNIFORM CONTINUATION OF THE THREADS ON THE TAPERED SECTION, THE CROSS SECTIONAL AREA, TAKEN IN AN AXIAL PLANE, OF THE ROOT SPACE BETWEEN THE PITCH AND ROOT
References Cited (Backward Citations)
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Cited
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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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |