US3146674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of vane units for spray nozzles
Assignee: Spraying Systems Co
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Filing: 1962-11-26
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Granted: 1964-09-01
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Expires: 1982-11-26
Abstract
No abstract record available.
Inventors
- 👤 Fred W Wahlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:10
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/16; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3415; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49432; Y10T29/49433; Y10T29/49995; Y10T29/49996; Y10T409/00; Y10T409/30; Y10T409/303752; Y10T409/303808
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
IN THE PRODUCTION OF VANE UNITS OF THE CHARACTER DESCRIBED FROM A ROD HAVING THE DIAMETER DESIRED IN THE FINISHED VANE UNITS, THE METHOD WHICH INCLUDES THE STEPS OF MILLING THE END PORTION OF SUCH A ROD TO FORM A PAIR OF OPPOSITELY SLOPING VANES INTEGRALLY JOINED AT THEIR MIDPOINTS IN A CENTRAL PLANE OF THE ROD AND JOINED TO EACH OTHER AND TO ADJACENT PORTIONS OF THE ROD BY A WALL THAT INCLUDES SUCH CENTRAL PLANE, AND THEREAFTER MAKING TWO SEPARATE MILLING CUTS THROUGH SAID WALL IN SPACED PARALLEL RELATION TO THE RESPECTIVE VANES AND SPACED THEREFROM TO SEVER THE VANE UNIT FROM THE ROD AND FORM SAID WALL AS A DOWNWARDLY EXTENDED POINTED TAB.
References Cited (Backward Citations)
US1744757A
Cited
US2774631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |