US2737948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable cartridge for hypodermic syringe
Assignee: Pfizer Inc
•
Filing: 1954-08-23
•
Granted: 1956-03-13
•
Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Frank E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/285; A61M5/288
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN IMPROVED DISPOSABLE COMBINED AMPULE AND NEEDLE ASSEMBLY FOR USE IN HYPODERMIC SYRINGES COMPRISING, AN AMPULE HAVING AN ELONGATED HOLLOW BODY MEMBER HAVING AN ANNULAR NECK ABOUT AN OPEN END, A STOPPER SEALING THE OPEN END OF SAID BODY MEMBER, MEANS SEALING THE OTHER END OF SAID BODY MEMBER, SAID STOPPER
Claim 2
Dependent Claim
51 words
AN IMPROVED DISPOSABLE COMBINED AMPULE AND NEEDLE ASSEMBLY FOR USE IN HYPODERMIC SYRINGES COMPRISING, AN AMPULE HAVING AN ELONGATED HOLLOW BODY MEMBER HAVING AN ANNULAR NECK ABOUT AN OPEN END, A STOPPER SEALING THE OPEN END OF SAID BODY MEMBER, MEANS SEALING THE OTHER END OF SAID BODY MEMBER, SAID STOPPER
References Cited (Backward Citations)
US2675449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |