US3227310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid dispenser
Assignee: Individual
•
Filing: 1963-07-30
•
Granted: 1966-01-04
•
Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Farandatos Denis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:11
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
131 words
APPARATUS FOR CONTROLLING THE RELEASE OF FLUID FROM A HIGH PRESSURE CYLINDER HAVING A SEALING DIAPHRAGM WHICH COMPRISES MEANS TO HOLD THE CYLINDER, PENETRATING MEANS INCLUDING A NEEDLE AIMED AT THE DIAPHRAGM OF THE CYLINDER, SPRING BIASING MEANS INITIALLY URGING THE NEEDLE AGAINST SAID DIAPHRAGM WITH INSUFFICIENT FORCE TO PERFORATE THE SAME, AND RELEASABLE NEEDLE RETRACTING MEANS INCLUDING A MEMBER RIGIDLY CONNECTED TO SAID NEEDLE FOR MOVING SAID NEEDLE AXIALLY AWAY FROM SAID DIAPHRAGM IN OPPOSITION TO THE BIASING MEANS WHEREBY THE FORCE OF SAID BIASING MEANS IS INCREASED SUFFICIENTLY TO CAUSE TO NEEDLE TO PERFORATE SAID DIAPHRAGM ON RELEASE OF SAID RETRACTING MEANS, SAID RETRACTING MEANS ALSO SERVING TO WITHDRAW THE NEEDLE FROM THE PERFORATED DIAPHRAGM TO PERMIT FLUID TO DISCHARGE FROM SAID CYLINDER THROUGH THE PERFORATION IN SAID DIAPHRAGM.
References Cited (Backward Citations)
US2751130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |