US3089224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the manufacture of valve bodies
Assignee: Individual
•
Filing: 1960-12-19
•
Granted: 1963-05-14
•
Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Grove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:07
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/04; F16K27/044; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49419
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A METHOD FOR THE MANUFACTURE OF A VALVE BODY OF THE TYPE HAVING AN INTERMEDIATE BODY PART TOGETHER WITH SIDE PLATE-LIKE BODY PARTS CLAMPED UPON OPPOSITE SIDES OF SAID INTERMEDIATE BODY PART, THERE BEING RESILIENT SEAL RINGS INTERPOSED BETWEEN THE BODY PARTS, THE STEPS OF FORMING SAID INTERMEDIATE BODY PART BY BENDING A FLAT STRIP OF METAL INTO A CYLINDER, FORMING A WELD CONNECTION BETWEEN THE ENDS OF SAID STRIP, TURNING THE CYLINDER IN A METAL CUTTING MACHINE, AND, WHILE SAID CYLINDER IS TURNING, CUTTING SEAL RING RECESSES INTO THE ENDS OF SAID CYLINDER.
Claim 2
Dependent Claim
95 words
IN A METHOD FOR THE MANUFACTURE OF A VALVE BODY OF THE TYPE HAVING AN INTERMEDIATE BODY PART TOGETHER WITH SIDE PLATE-LIKE BODY PARTS CLAMPED UPON OPPOSITE SIDES OF SAID INTERMEDIATE BODY PART, THERE BEING RESILIENT SEAL RINGS INTERPOSED BETWEEN THE BODY PARTS, THE STEPS OF FORMING SAID INTERMEDIATE BODY PART BY BENDING A FLAT STRIP OF METAL INTO A CYLINDER, FORMING A WELD CONNECTION BETWEEN THE ENDS OF SAID STRIP, TURNING THE CYLINDER IN A METAL CUTTING MACHINE, AND, WHILE SAID CYLINDER IS TURNING, CUTTING SEAL RING RECESSES INTO THE ENDS OF SAID CYLINDER.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |