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US2608972A
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Guide for hypodermic syringes
Assignee: Individual
•
Filing: 1949-05-16
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Granted: 1952-09-02
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Expires: 1969-05-16
Abstract
No abstract record available.
Inventors
- 👤 Chrigstrom Knut Vilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:35
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/002; Y; Y10; Y10S; Y10S215/00; Y10S215/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1526342A
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US1599741A
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US2157503A
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US2121123A
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US2168270A
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US2276421A
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US2231564A
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US2547099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |