US3312812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inventory control system
Assignee: Shell USA Inc
•
Filing: 1963-05-29
•
Granted: 1967-04-04
•
Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 David L Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:02
CPC Classifications
G; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/342; G06Q10/00; G06Q10/08; G06Q10/087; G06Q10/0877; G06Q10/08772; G06Q50/00; G06Q50/06; G07; G07F; G07F13/00; G07F13/06; G07F13/065; G07F7/00; G07F7/02; G07F7/025
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
165 words
A PRODUCT INVENTORY CONTROL SYSTEM COMPRISING: A STORAGE TANK FOR STORING SAID PRODUCT; A PLURALITY OF PUMPS FOR DELIVERING QUANTITIES OF PRODUCT FROM SAID STORGE TANK; A SEPARATE PULSING MEANS PRODUCING A PULSE PUMPS, EACH OF SAID PULSING MEANS PRODUCING A PULSE EACH TIME A PRESET QUANTITY OF PRODUCT IS DELIVERED BY ITS CORRESPONDING PUMP; A PLURALITY OF STORAGE MEANS FOR STORING SAID PULSES, EACH OF SAID STORAGE MEANS BEING COUPLED TO THE OUTPUT OF A DIFFERENT ONE OF SAID PULSING MEANS; MEANS COUPLED TO SAID PLURALITY OF STORAGE MEANS FOR SEQUENTIALLY SCANNING SAID STORAGE MEANS, AND PRODUCING A SERIES OF PULSES RELATED TO THE NUMBER OF STORED PULSES; PRESET REGISTER MEANS COUPLED TO THE OUTPUT OF SAID SCANNING MEANS FOR PRODUCING A COUNT RELATED TO THE NUMBER OF PULSES RECEIVED; A SOURCE OF POWER NORMALLY CONNECTED TO SAID PUMPS; AND, MEANS COUPLED TO SAID REGISTER MEANS FOR DISCONNECTING SAID SOURCE OF POWER FROM SAID PUMPS WHEN SAID REGISTER MEANS HAS REACHED A PREDETERMINED COUNT.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |