US3221946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispenser for pressurized reservoir of the aerosol variety
Assignee: Individual
•
Filing: 1963-09-20
•
Granted: 1965-12-07
•
Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
- 👤 John K Riley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:19
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN COMBINATION WITH A FLUID PRESSURE RESEVOIR, A TRAP CHAMBER CONNECTED TO SAID RESERVOIR, A NORMALLY CLOSED VALVE DISRUPTING COMMUNICATION BETWEEN SAID RESERVOIR AND SAID TRAP CHAMBER, PLUNGER MEANS FOR EFFECTING MOVEMENT OF SAID VALVE FROM ITS NORMAL CLOSED POSITION TO ITS OPEN POSITION UPON MOVEMENT OF SAID PLUNGER MEANS FROM A FIRST TO A SECOND POSITION TO ESTABLISH COMMUNICATION BETWEEN SAID RESERVOIR AND SAID TRAP CHAMBER, RELEASABLE LOCKING MEANS FOR RETAINING SAID PLUGER MEANS IN ITS SECOND POSITION, A FLUID PRESSURE RESPONSIVE MEMBER NORMALLY OCCUPYING ONE POSITION IN SAID TRAP CHAMBER AND BEING MOVEABLE IN ONE DIRECTION THEREFROM IN RESPONSE TO PRES-
Claim 2
Dependent Claim
103 words
IN COMBINATION WITH A FLUID PRESSURE RESEVOIR, A TRAP CHAMBER CONNECTED TO SAID RESERVOIR, A NORMALLY CLOSED VALVE DISRUPTING COMMUNICATION BETWEEN SAID RESERVOIR AND SAID TRAP CHAMBER, PLUNGER MEANS FOR EFFECTING MOVEMENT OF SAID VALVE FROM ITS NORMAL CLOSED POSITION TO ITS OPEN POSITION UPON MOVEMENT OF SAID PLUNGER MEANS FROM A FIRST TO A SECOND POSITION TO ESTABLISH COMMUNICATION BETWEEN SAID RESERVOIR AND SAID TRAP CHAMBER, RELEASABLE LOCKING MEANS FOR RETAINING SAID PLUGER MEANS IN ITS SECOND POSITION, A FLUID PRESSURE RESPONSIVE MEMBER NORMALLY OCCUPYING ONE POSITION IN SAID TRAP CHAMBER AND BEING MOVEABLE IN ONE DIRECTION THEREFROM IN RESPONSE TO PRES-
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |