US3492992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic needle
Assignee: Sanofi Biosurgery Inc
•
Filing: 1969-03-26
•
Granted: 1970-02-03
•
Expires: 1989-03-26
Abstract
No abstract record available.
Inventors
- 👤 Leonard D Kurtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:08
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3286; A61J; A61J2200/00; A61J2200/10; A61M5/329; A61M5/3291; Y; Y10; Y10S; Y10S604/00; Y10S604/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2634726A
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US2814296A
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US2869550A
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US3030953A
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US2904045A
Cited
US3094123A
Cited
US3082769A
Cited
US3352306A
Cited
US3308822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |