US3430627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic needle
Assignee: OI Glass Inc
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Filing: 1963-06-10
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Granted: 1969-03-04
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Walter Kitaj
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:31
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/34; A61M5/343; A61M5/28; A61M5/349
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A HYPODERMIC SYRING COMPRISING A GLASS BARREL HAVING A BORE AT ONE END THEREOF, A STEEL CANNULA HAVING ONE END LOCATED WITHIN SAID BORE AND COMMUNICATING WITH THE INTERIOR OF SAID BARREL AND A SEAL DISPOSED WITHIN THE SPACE BETWEEN SAID CONNULA AND SAID BARREL AND BONDING SAID CANNULA TO SAID BARREL WITHIN SAID BORE, SAID SEAL BEING THE REACTION PRODUCT OF A COMPOSITION CONSITING ESSENTIALLY OF A BRANCHED POLYOL HAVING A MOLECULAR WEIGHT OF ABOUT 400 TO 700, AN ORGANIC NITROGEN-CONTAINING CURING AGENT CONSISTING OF AN ORGANIC NITROGEN-CONTAINING COMPOUND HAVING AT LEAST ONE ACTIVE HYDROGEN ATOM PER MOLECULE, SAID CURING AGENT BEING PRESENT IN AN AMOUNT TO REACT COMPLETELY WITH THE AVAILABLE ISOCYANATE GROUPS.
Claim 2
Dependent Claim
115 words
A HYPODERMIC SYRING COMPRISING A GLASS BARREL HAVING A BORE AT ONE END THEREOF, A STEEL CANNULA HAVING ONE END LOCATED WITHIN SAID BORE AND COMMUNICATING WITH THE INTERIOR OF SAID BARREL AND A SEAL DISPOSED WITHIN THE SPACE BETWEEN SAID CONNULA AND SAID BARREL AND BONDING SAID CANNULA TO SAID BARREL WITHIN SAID BORE, SAID SEAL BEING THE REACTION PRODUCT OF A COMPOSITION CONSITING ESSENTIALLY OF A BRANCHED POLYOL HAVING A MOLECULAR WEIGHT OF ABOUT 400 TO 700, AN ORGANIC NITROGEN-CONTAINING CURING AGENT CONSISTING OF AN ORGANIC NITROGEN-CONTAINING COMPOUND HAVING AT LEAST ONE ACTIVE HYDROGEN ATOM PER MOLECULE, SAID CURING AGENT BEING PRESENT IN AN AMOUNT TO REACT COMPLETELY WITH THE AVAILABLE ISOCYANATE GROUPS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |