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US3270891A
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Assignee: Boye Needle Co
•
Filing: 1964-04-15
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Granted: 1966-09-06
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Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 George E Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:57
CPC Classifications
A; A47; A47F; A47F5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA447889A
Cited
US646012A
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US1152275A
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US2333717A
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US2349351A
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US2665869A
Cited
US2747943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |