US2493053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making pulleys
Assignee: Individual
•
Filing: 1947-08-09
•
Granted: 1950-01-03
•
Expires: 1967-08-09
Abstract
No abstract record available.
Inventors
- 👤 Zatyko Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:15
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/26; B21D53/261; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49453; Y10T29/4946
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1609380A
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US1711182A
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US1766098A
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US2006691A
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US1928911A
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US2132002A
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US2162735A
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US2092571A
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US2358984A
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US2330228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |