US3263481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneuma-hydraulic forming tool
Assignee: Reed Roller Bit Co
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Filing: 1963-08-05
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Granted: 1966-08-02
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 George A Boyd
- 👤 Clifford R Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:57
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/16; B21J15/22; B21J15/105; H; H01; H01R; H01R43/00; H01R43/04; H01R43/042; H01R43/0427
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A FORMING TOOL COMPRISING A CASING, A CYLINDER MOUNTED WITHIN ONE END OF SAID CASING, A YOKE MEMBER SECURED TO SAID CYLINDER AND ARRANGED TO PROJECT BEYOND SAID END OF THE CASING, A PLUNGER SLIDABLY MOUNTED IN A PORTION OF SAID YOKE, A DIE CARRIED BY SAID PLUNGER, A SECOND DIE CARRIED BY ANOTHER PORTION OF SAID YOKE IN ALIGNMENT WITH THE FIRST DIE TO RECEIVE A PIECE OF WORK TO BE FORMED, A PISTON HAVING A HOLLOW DEPENDING ROD PORTION SLIDABLY MOUNTED IN SAID CYLINDER, SAID PLUNGER SECURED TO THE HOLLOW DEPENDING ROD PORTION OF SAID PISTON AND DEFINING THEREWITH A FLUID CONTAINING CAVITY, MEANS IN SAID CYLINDER ARRANGED IN CONCENTRIC RELATION WITH SAID HOLLOW DEPENDING ROD AND DEFINING WITH SAID PISTON A CHAMBER, A PISTON SLIDABLY MOUNTED IN THE OTHER END OF
Claim 2
Dependent Claim
134 words
A FORMING TOOL COMPRISING A CASING, A CYLINDER MOUNTED WITHIN ONE END OF SAID CASING, A YOKE MEMBER SECURED TO SAID CYLINDER AND ARRANGED TO PROJECT BEYOND SAID END OF THE CASING, A PLUNGER SLIDABLY MOUNTED IN A PORTION OF SAID YOKE, A DIE CARRIED BY SAID PLUNGER, A SECOND DIE CARRIED BY ANOTHER PORTION OF SAID YOKE IN ALIGNMENT WITH THE FIRST DIE TO RECEIVE A PIECE OF WORK TO BE FORMED, A PISTON HAVING A HOLLOW DEPENDING ROD PORTION SLIDABLY MOUNTED IN SAID CYLINDER, SAID PLUNGER SECURED TO THE HOLLOW DEPENDING ROD PORTION OF SAID PISTON AND DEFINING THEREWITH A FLUID CONTAINING CAVITY, MEANS IN SAID CYLINDER ARRANGED IN CONCENTRIC RELATION WITH SAID HOLLOW DEPENDING ROD AND DEFINING WITH SAID PISTON A CHAMBER, A PISTON SLIDABLY MOUNTED IN THE OTHER END OF
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |