Patent US3123252A successfully refreshed from Google Patents.
US3123252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
kuntz
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:14
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/02; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0326; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2250/00; F17C2250/03; F17C2250/036; F17C2250/04; F17C2250/0404; F17C2250/0408; F17C2250/0426; F17C2250/0443; F17C2250/06; F17C2250/0605; F17C2250/0636; F17C2265/00; F17C2265/02; F17C2265/025; F17C2265/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD FOR SUPPLYING AN ADDITIVE TO A FLUID COMPRISING THE STEPS OF METERING A STREAM OF FLUID, PRODUCING A SIGNAL REPRESENTING A PREDETERMINED VOLUME OF SAID FLUID AND ACTUATING AN INJECTION OF AT LEAST A PREDETERMINED AMOUNT OF SAID ADDITIVE THROUGH AN ANALYSIS ZONE INTO SAID STREAM IN RESPONSE THERETO, PRODUCING AN ANALYSIS SIGNAL INDICATIVE OF THE PRESENCE OF SAID ADDITIVE WHILE PASSING SAID ADDITIVE THROUGH SAID ANAYLSIS ZONE, RECORDING SAID ANALYSIS SIGNAL AND STOPPING THE FLOW OF SAID FLUID RESPONSIVE TO SAID ANYLSIS SIGNAL WHEN SAID ANALYSIS SIGNAL CORRESPONDS TO AN INJECTION OF SAID ADDITIVE LESS THAN SAID PREDETERMINED AMOUNT.
Claim 2
Independent Claim
102 words
A METHOD FOR SUPPLYING AN ADDITIVE TO A FLUID COMPRISING THE STEPS OF METERING A STREAM OF FLUID, PRODUCING A SIGNAL REPRESENTING A PREDETERMINED VOLUME OF SAID FLUID AND ACTUATING AN INJECTION OF AT LEAST A PREDETERMINED AMOUNT OF SAID ADDITIVE THROUGH AN ANALYSIS ZONE INTO SAID STREAM IN RESPONSE THERETO, PRODUCING AN ANALYSIS SIGNAL INDICATIVE OF THE PRESENCE OF SAID ADDITIVE WHILE PASSING SAID ADDITIVE THROUGH SAID ANAYLSIS ZONE, RECORDING SAID ANALYSIS SIGNAL AND STOPPING THE FLOW OF SAID FLUID RESPONSIVE TO SAID ANYLSIS SIGNAL WHEN SAID ANALYSIS SIGNAL CORRESPONDS TO AN INJECTION OF SAID ADDITIVE LESS THAN SAID PREDETERMINED AMOUNT.
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |