Patent US3215311A successfully refreshed from Google Patents.
US3215311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispenser capsule
Assignee: NISON
•
Filing: 1962-06-20
•
Granted: 1965-11-02
•
Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Nison Morris
- 👤 Donald A Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:32
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/02; D06F39/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A DISPENSER UNIT CONSISTING OF A BUOYANT FREE BODY PROVIDING A RECEPTACLE FOR A CHARGE OF MATERIAL FOR MODIFYING A FLUID MEDIUM THEREABOUT, MEANS NORMALLY SEALING THE CHARGE IN SAID BODY, AND SAID SEALING MEANS BEING CONDITIONED TO OPERATE RESPONSIVELY TO PREDETERMINED FORCES BEING APPLIED TO SAID BODY GOVERNED BY THE MOVEMENT OF THE FLUID MEDIUM THEREABOUT WHEREBY TO SELECTIVELY OPEN A PASSAGE FOR FLOW OF SAID CHARGE IN A DIRECTION OUTWARDLY OF SAID BODY.
Claim 2
Dependent Claim
75 words
A DISPENSER UNIT CONSISTING OF A BUOYANT FREE BODY PROVIDING A RECEPTACLE FOR A CHARGE OF MATERIAL FOR MODIFYING A FLUID MEDIUM THEREABOUT, MEANS NORMALLY SEALING THE CHARGE IN SAID BODY, AND SAID SEALING MEANS BEING CONDITIONED TO OPERATE RESPONSIVELY TO PREDETERMINED FORCES BEING APPLIED TO SAID BODY GOVERNED BY THE MOVEMENT OF THE FLUID MEDIUM THEREABOUT WHEREBY TO SELECTIVELY OPEN A PASSAGE FOR FLOW OF SAID CHARGE IN A DIRECTION OUTWARDLY OF SAID BODY.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |