US2583315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annulak
Assignee: —
•
Filing: —
•
Granted: 1952-01-22
•
Expires: 1969-01-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:51
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/033; B21D26/045; B21D3/00; B23; B23P; B23P9/00; C; C21; C21D; C21D7/00; C21D7/02; C21D7/04; C21D7/10; C21D7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
APPARATUS FOR IMPROVING THE TENSILE PROERTIES OF AN ANNULAR METALLIC MEMBER BY PLASTIC DEFORMATION WHICH COMPRISES A CYLINDRICAL MEMBER HAVING A PASSAGE FOR CONDUCTING FLUID TO THE CYLINDRICAL SURFACE OF SAID CYLINDRICAL MEMBER AND POSITIONING MEANS INCLUDING A PAIR OF OPPOSITELY DISPOSED CONICAL FLANGES FOR MOUNTING SAID ANNUAL METALLIC MEMBER CONCENTRICALLY AND IN SPACED RELATION WITH SAID CYLINDRICAL MEMBER THEREBY DEFINING AN ANNULAR PRESSURE CHAMBER FOR RECEIVING FLUID UNDER PRESSURE FROM SAID PASSAGE.
Claim 2
Dependent Claim
73 words
APPARATUS FOR IMPROVING THE TENSILE PROERTIES OF AN ANNULAR METALLIC MEMBER BY PLASTIC DEFORMATION WHICH COMPRISES A CYLINDRICAL MEMBER HAVING A PASSAGE FOR CONDUCTING FLUID TO THE CYLINDRICAL SURFACE OF SAID CYLINDRICAL MEMBER AND POSITIONING MEANS INCLUDING A PAIR OF OPPOSITELY DISPOSED CONICAL FLANGES FOR MOUNTING SAID ANNUAL METALLIC MEMBER CONCENTRICALLY AND IN SPACED RELATION WITH SAID CYLINDRICAL MEMBER THEREBY DEFINING AN ANNULAR PRESSURE CHAMBER FOR RECEIVING FLUID UNDER PRESSURE FROM SAID PASSAGE.
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) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |