Patent US2724385A successfully refreshed from Google Patents.
US2724385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ointment depositors
Assignee: Compule Corp
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Filing: 1953-01-19
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Granted: 1955-11-22
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Expires: 1973-01-19
Abstract
No abstract record available.
Inventors
- 👤 Marshall L Lockhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:32
CPC Classifications
A; A61; A61M; A61M31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN AN OINTMENT DEPOSITOR AN ELONGATED BARREL OF MOLDED PLASTIC HAVING A BORE PROVIDED WITH A REDUCED SECTION AT ONE END TO FORM AN EJECTING ORIFICE OF LESSER DIAMETER, SAID REDUCED ORIFICE SECTION BEING INTERNALLY THREADED; THE OTEHR END OF SAID BARREL BEING OPEN AND EXTERNALLY CARRYING INTEGRAL, LATERALLY-PROJECTING, FINGERENGAGING MEANS; THE WALLS OF THE BORE OF SAID BARREL BEING SLIGHTLY TAPERED CONVERGINGLY FROM SAID OPEN BARREL BEING ORIFICE SECTION WHEREBY PISTON MEANS CLOSELY FITTABLE IN THE BORE ADJACENT SAID ORIFICE SECTION WILL HAVE AIR-VENTING CLEARANCE WITH THE BORE ADJACENT SAID OPEN END.
Claim 2
Dependent Claim
93 words
IN AN OINTMENT DEPOSITOR AN ELONGATED BARREL OF MOLDED PLASTIC HAVING A BORE PROVIDED WITH A REDUCED SECTION AT ONE END TO FORM AN EJECTING ORIFICE OF LESSER DIAMETER, SAID REDUCED ORIFICE SECTION BEING INTERNALLY THREADED; THE OTEHR END OF SAID BARREL BEING OPEN AND EXTERNALLY CARRYING INTEGRAL, LATERALLY-PROJECTING, FINGERENGAGING MEANS; THE WALLS OF THE BORE OF SAID BARREL BEING SLIGHTLY TAPERED CONVERGINGLY FROM SAID OPEN BARREL BEING ORIFICE SECTION WHEREBY PISTON MEANS CLOSELY FITTABLE IN THE BORE ADJACENT SAID ORIFICE SECTION WILL HAVE AIR-VENTING CLEARANCE WITH THE BORE ADJACENT SAID OPEN END.
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) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |