US3353716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid dispenser
Assignee: Individual
•
Filing: 1965-10-11
•
Granted: 1967-11-21
•
Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis J Fuchs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:26
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/74; B67D7/741
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A FLUID DISPENSER, FOR DISPENSING A PLURALITY OF VOLUMES OF DIFFERENT FLUIDS IN PRECISE VOLUMETRIC RELATION REGRADLESS OF THE TOTAL VOLUME DISPENSED WHICH COMPRISES: A PLURALITY OF FLUID COMPARTMENTS EACH PROVIDED WITH A FLUID DISCHARGE PASSAGE; AN ASSEMBLY, INCLUDING A ROD PISTON, POSITIONED IN EACH COMPARTMENT; MEANS FOR IMPARTING RECIPROCATING ROTATIONAL MOVEMENT TO SAID ROD; MEANS, RESPONSIVE TO SAID RECIPROCATING ROTATIONAL MOVEMENT FOR, ALTERNATELY CONNECTING SAID PISTON INTO AN OUT OF OPERATIVE ENGAGEMENT WITH SAID ROD; AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |