US3540112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing a hypodermic needle
Assignee: KNOX LAB Inc
•
Filing: 1967-01-18
•
Granted: 1970-11-17
•
Expires: 1987-01-18
Abstract
No abstract record available.
Inventors
- 👤 James J Knox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:13
CPC Classifications
B; B21; B21G; B21G1/00; B21G1/08; A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3286; A61M2205/00; A61M2205/19; A61M2205/192; A61M2205/195; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49792
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2634726A
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US2717600A
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US2697438A
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US2989053A
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US3090384A
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US3181336A
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US3173200A
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US3119391A
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US3408846A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |