US3244172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Syringe and method of injection
Assignee: Individual
•
Filing: 1961-11-08
•
Granted: 1966-04-05
•
Expires: 1981-11-08
Abstract
No abstract record available.
Inventors
- 👤 Brown Ethan Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:52
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/28; A61M5/284; A61M5/315; A61M5/3287; A61M2005/3289
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A SYRINGE FOR THE INJECTION OF A POTENT SUBSTANCE COMPRISING A BARREL, OPEN AT ONE END, A NEEDLE IN COMMUNICATION WITH THE INTERIOR OF SAID BARREL, A PLUNGER EXTENDING THROUGH SAID OPENING IN SAID BARREL AND DEPRESSIVELY ENGAGED WITHIN SAID BARREL AND COOPERATING MEANS PROVIDED ON SAID BARREL AND PLUNGER FOR ROTATING SAID BARREL
References Cited (Backward Citations)
US793099A
Cited
US1234582A
Cited
US1279069A
Cited
US2530480A
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US2636644A
Cited
US2705956A
Cited
US2895475A
Cited
US2939459A
Cited
US2856885A
Cited
US3096249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |