US2669133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing pinking shears
Assignee: Individual
•
Filing: 1949-06-18
•
Granted: 1954-02-16
•
Expires: 1969-06-18
Abstract
No abstract record available.
Inventors
- 👤 Kaj S Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:52
CPC Classifications
B; B21; B21K; B21K11/00; B21K11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1958147A
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US1970408A
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US1903257A
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US1959190A
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FR752574A
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GB424807A
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US2286874A
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US2284664A
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US2353096A
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US2387053A
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US2579521A
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US2565552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |