US3261509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacity dispensing device
Assignee: Clay Adams Inc
•
Filing: 1965-02-05
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Granted: 1966-07-19
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Expires: 1985-02-05
Abstract
No abstract record available.
Inventors
- 👤 Jerome M Shevell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:38
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/021; B01L3/0217; B01L3/0224
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
IN COMBINATION WITH A DISPENSING DEVICE INCLUDING A CYLINDER, A PISTON RECIPROCABLY MOUNTED IN THE CYLINDER AND SPRING MEANS ABOUT SAID PISTON FOR BIASING SAID PISTON OUTWARDLY OF THE CYLINDER, AND ELONGATED TUBULAR MEANS FOR FECIPROCATING SAID PISTON RELATIVE TO SAID CYLINDER, SAID RECIPROCATING MEANS INCLUDING AN ELONGATED, ROTATABLE MEMBER DISPOSED COAXIALLY THEREIN, MEANS FOR ABUTTING SAID PISTON AND COOPERATIVE MEANS ON SAID ABUTTING MEANS AND SAID ROTATABLE MEMBER FOR IMPARTING LONGITUDINAL MOVEMENT TO SAID ABUTTING MEANS TO SELECTED POSITIONS THEREOF IN RESPONSE TO ROTATIONAL MOVEMENT OF SAID ROTATABLE MEMBER WHEREBY TO LIMIT THE MOVEMENT OF THE PISTON OUTWARDLY OF SAID CYLINDER.
References Cited (Backward Citations)
US2660342A
Cited
US3013435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |