US3129712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous scaling device for metal bands
Assignee: BETEILIGUNGSUND PATENTVERWALTU
•
Filing: 1960-06-13
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Granted: 1964-04-21
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Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 Thomas Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:30
CPC Classifications
C; C23; C23G; C23G3/00; C23G3/02; C23G3/021; H; H02; H02P; H02P5/00; H02P5/46; H02P5/48; H02P5/485
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A DEVICE FOR CONTINUOUS SCALING OF A METAL BAND COMPRISING AT LEAST ONE LONGITUDINAL CONTAINER ADAPTED TO BE FILLED WITH ACID AND DISPOSED IN VERTICAL DIRECTION AND HAVING SIDE WALLS, A VERTICAL SHAFT RECEIVING SAID CONTAINER, A DRIVING APPARATUS DISPOSED AT THE ENTRANCE AND AT THE EXIT, RESPECTIVELY, OF SAID CONTAINER FOR FEEDING SAID METAL BAND THROUGH SAID CONTAINER, SAID METAL BAND FORMING A LOOP HANGING FREELY DOWNWARDLY IN SAID CONTAINER, MEANS FORCIBLY GUIDING SAID LOOP DOWNWARDLY INTO SAID CONTAINER, MEASURING DEVICES SECURED WITHIN SAID SIDE WALLS OF SAID CONTAINER AND PROTECTED BY THE INNER SURFACE OF SAID SIDE WALLS FROM THE ACID, AS WELL AS DISPOSED VERTICALLY SPACED APART FROM EACH OTHER IN PLANES AT DIFFERENT LEVELS AND ADAPTED TO MEASURE THE LENGTH OF SAID LOOP, SAID MEASURING DEVICES INCLUDING MEANS FOR DETERMINATION OF PASSING SAID LOOP OF SAID METAL BAND THROUGH ANY ONE OF SAID PLANES, AND MEANS CONNECTING OPERATIVELY SAID MEASURING DEVICES WITH SAID DRIVING APPARATUS.
Claim 2
Independent Claim
159 words
A DEVICE FOR CONTINUOUS SCALING OF A METAL BAND COMPRISING AT LEAST ONE LONGITUDINAL CONTAINER ADAPTED TO BE FILLED WITH ACID AND DISPOSED IN VERTICAL DIRECTION AND HAVING SIDE WALLS, A VERTICAL SHAFT RECEIVING SAID CONTAINER, A DRIVING APPARATUS DISPOSED AT THE ENTRANCE AND AT THE EXIT, RESPECTIVELY, OF SAID CONTAINER FOR FEEDING SAID METAL BAND THROUGH SAID CONTAINER, SAID METAL BAND FORMING A LOOP HANGING FREELY DOWNWARDLY IN SAID CONTAINER, MEANS FORCIBLY GUIDING SAID LOOP DOWNWARDLY INTO SAID CONTAINER, MEASURING DEVICES SECURED WITHIN SAID SIDE WALLS OF SAID CONTAINER AND PROTECTED BY THE INNER SURFACE OF SAID SIDE WALLS FROM THE ACID, AS WELL AS DISPOSED VERTICALLY SPACED APART FROM EACH OTHER IN PLANES AT DIFFERENT LEVELS AND ADAPTED TO MEASURE THE LENGTH OF SAID LOOP, SAID MEASURING DEVICES INCLUDING MEANS FOR DETERMINATION OF PASSING SAID LOOP OF SAID METAL BAND THROUGH ANY ONE OF SAID PLANES, AND MEANS CONNECTING OPERATIVELY SAID MEASURING DEVICES WITH SAID DRIVING APPARATUS.
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |