US3108647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-correcting weighing machine and method
Assignee: Unisys Corp
•
Filing: 1961-10-31
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Granted: 1963-10-29
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Albert D Harmon
- 👤 William H Drake
- 👤 James C Petrea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/22; G01G19/32; B; B65; B65B; B65B1/00; B65B1/30; B65B1/32; G01G13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
THE METHOD OF FORMING EQUAL PREDETERMINED-WEIGHT CHARGES OF FLUENT MATERIAL, COMPRISING THE STEPS OF: SEQUENTIALLY MOVING A PLURALITY OF MATERIAL WEIGHING DEVICES AROUND A CLOSED PATH THROUGH A PLURALITY OF FIXED STATIONS; MOVING SAID DEVICES THROUGH AT LEAST A FIRST ONE OF SAID STATIONS AT A UNIFORM RATE; CONTINUOUSLY DIRECTING A UNIFORM BULK STREAM OF MATERIAL FROM A BULK SUPPLY INTO SAID WEIGHING DEVICES WHILE AT SAID FIRST ONE OF SAID STATIONS AND AT A UNIFORM RATE WHEREBY EQUAL BULK CHARGES ARE DEPOSITED IN EACH OF SAID WEIGHING DEVICED; DETECTING WHETHER THE WEIGHT OF MATERIAL IN EACH OF SAID WEIGHING DEVICES IS UNDERWEIGHT OR AT LEAST FULL WEIGHT AS IT PASSES EACH OF SECOND AND THIRD STATIONS; FEEDING A DRIBBLE STREAM OF MATERIAL, BETWEEN SAID SECOND AND THIRD STATIONS, INTO EACH WEIGHING DEVICE WHOSE CHARGE IS UNDERWEIGHT WHEN IT PASSES SAID SECOND STATION; CHANGING ONE OF SAID UNIFORM RATES TO DECREASE THE SIZE OF SAID BULK CHARGES IN RESPONSE TO PASSAGE OF CHARGES OF AT LEAST FULL WEIGHT PAST SAID SECOND STATION, AND TO INCREASE THE SIZE OF SAID BULK CHARGE IN RESPONSE TO PASSAGE OF UNDER WEIGHT CHARGES PAST SAID THIRD STATION.
Claim 2
Independent Claim
193 words
THE METHOD OF FORMING EQUAL PREDETERMINED-WEIGHT CHARGES OF FLUENT MATERIAL, COMPRISING THE STEPS OF: SEQUENTIALLY MOVING A PLURALITY OF MATERIAL WEIGHING DEVICES AROUND A CLOSED PATH THROUGH A PLURALITY OF FIXED STATIONS; MOVING SAID DEVICES THROUGH AT LEAST A FIRST ONE OF SAID STATIONS AT A UNIFORM RATE; CONTINUOUSLY DIRECTING A UNIFORM BULK STREAM OF MATERIAL FROM A BULK SUPPLY INTO SAID WEIGHING DEVICES WHILE AT SAID FIRST ONE OF SAID STATIONS AND AT A UNIFORM RATE WHEREBY EQUAL BULK CHARGES ARE DEPOSITED IN EACH OF SAID WEIGHING DEVICED; DETECTING WHETHER THE WEIGHT OF MATERIAL IN EACH OF SAID WEIGHING DEVICES IS UNDERWEIGHT OR AT LEAST FULL WEIGHT AS IT PASSES EACH OF SECOND AND THIRD STATIONS; FEEDING A DRIBBLE STREAM OF MATERIAL, BETWEEN SAID SECOND AND THIRD STATIONS, INTO EACH WEIGHING DEVICE WHOSE CHARGE IS UNDERWEIGHT WHEN IT PASSES SAID SECOND STATION; CHANGING ONE OF SAID UNIFORM RATES TO DECREASE THE SIZE OF SAID BULK CHARGES IN RESPONSE TO PASSAGE OF CHARGES OF AT LEAST FULL WEIGHT PAST SAID SECOND STATION, AND TO INCREASE THE SIZE OF SAID BULK CHARGE IN RESPONSE TO PASSAGE OF UNDER WEIGHT CHARGES PAST SAID THIRD STATION.
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |