Patent US3936193A successfully refreshed from Google Patents.
US3262608A
Expired / Lapsed
US
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Syringe with barrel and charge receiving plunger
Assignee: Individual
•
Filing: 1964-07-08
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Granted: 1966-07-26
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Expires: 1984-07-08
Abstract
No abstract record available.
Inventors
- 👤 Macey John Witherspoon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/00593; A; A61; A61C; A61C5/00; A61C5/60; A61C5/62; A61C9/00; A61C9/0026; A61M; A61M3/00; B05C17/00503; B05C17/00516
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
A SYRINGE COMPRISING: (A) AN ELONGATED PLUNGER COMPRISING A RAM MEMBER AND A SCOOP MEMBER EXTENDIGN LONGITUDINALLY FROM SAID RAM MEMBER, (B) SAID SCOOPE MEMBER HAVING A U-SHAPED CROSS-SECTION SYMMETRICAL ABOUT THE LONGITUDINAL AXIS OF SAID PLUNGER, (C) A BARREL HAVING A ENLARGED OPENING AT ONE END FOR RECEIVING SAID PLUNGER, (D) A NOZZLE FORMING THE OTHER END OF SAID BARREL, (E) AN ENLORGED CHAMBER IN SAID BARREL ADJACENT SAID ENLARGED OPENING FOR SNUGLY AND SLIDABLY RECEIVING SAID RAM MEMBER, AND (F) A HOLLOW U-SHAPED PORTION IN SAID BARREL COMMUNICATING WITH SAID CHAMBER FOR SNUGLY RECEIVING SAID U-SHAPED SCOOP MEMBER.
References Cited (Backward Citations)
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US1165083A
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US1164430A
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US1337743A
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |