US3225425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating a metal article
Assignee: SMALL BUSINESS ADMINISTRATION
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Filing: 1963-01-10
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Granted: 1965-12-28
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Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 William J Skinner
- 👤 Earl D Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:07
CPC Classifications
B; B21; B21H; B21H1/00; B21H1/02; B21H1/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49453; Y10T29/49458
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
41 words
IN A METHOD OF FORMING SHEAVES, PULLEYES AND SIMILAR GROOVED ARTICLES: THE STEPS COMPRISING FORMING A METAL DISC-SHAPED BLANK, ROTATING SAID BLANK, INTITIALLY SLITTING SAID BLANK AT ITS PERIPHERAL EDGE TO FORM A PERIPHERAL GROOVE AND TWO ANGULARLY EXTENDING FLANGES, PROGRES-
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |