US3173505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical batching system
Assignee: Fairbanks Morse Inc
•
Filing: 1955-11-01
•
Granted: 1965-03-16
•
Expires: 1975-11-01
Abstract
No abstract record available.
Inventors
- 👤 Matthew T Thorsson
- 👤 Louis J Lauler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
IN A WEIGHING SYSTEM, A WEIGHING HOPPER FOR RECEIVING SEVERAL INGREDIENTS, VALVE MEANS FOR CONTROLLING THE DELIVERY OF EACH INGREDIENT TO SAID HOPPER, MEANS FOR PRODUCING A FIRST VOLTAGE REPRESENTATIVE OF THE WEIGHT IN SAID HOPPER, A CONTROL CARD HAVING IMPRESSIONS THEREON TO REPRESENT THE WEIGHT OF TWO SELECTED INGREDIENTS AND IMPRESSIONS THEREON TO DETERMINED WHICH OF THE INGREDIENTS ARE SELECTED, A PRE-SET VOLTAGE CIRCUIT FOR EACH SELECTED INGREDIENT, A CAR READER HAVING MEANS TO SENSE WEIGHT IMPRESSIONS AND PRODUCE A PRE-SET VOLTAGE IN EACH CIRCIT SAID VOLTAGE HAVING AN AMPLITUDE WHICH REPRESENTS THE
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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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |