US3241674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentrating table
Assignee: Deister Concentrator Co Inc
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Filing: 1961-02-06
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Granted: 1966-03-22
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Expires: 1981-02-06
Abstract
No abstract record available.
Inventors
- 👤 Don A Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:01
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/02; B03B5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A MULTIPLE DECK PENDANTLY SUPPORTED CONCENTRATING TABLE HAVING A HEAD MOTION OF THE POLYECCENTRIC FLYWHEEL TYPE WHICH INHERENTLY GENERATES RECIPROCATING MOTION HAVING QUICKER REVERSAL AT ONE END OF THE STROKE THAN AT THE OTHER, SAID HEAD MOTION HAVING AN AXIS EXTENDING CENTRALLY THEREOF IN THE DIRECTION OF SAID RECIPROCATING MOTION, A PLURALITY OF IMPERFORATE DECKS ANGULARLY ADJUSTABLE RELATIVE TO EACH OTHER, AND MEANS BALANCED ABOUT SAID AXIS CONNECTING ALL DECKS TO THE HEAD MOTION, THE IMPROVEMENT WHICH COMPRISES, RIGID MEANS CONNECTING ALL DECKS TOGETHER AT A POINT REMOTE FROM THE HEAD MOTION SAID RIGID MEANS BEING BALANCED ABOUT SAID AXIS AND HAVING STIFFNESS SUCH AS TO MAINTAIN SAID DECKS IN PREDETERMINED VERTICAL SPACING RELATIVE TO EACH OTHER.
Claim 2
Dependent Claim
118 words
IN A MULTIPLE DECK PENDANTLY SUPPORTED CONCENTRATING TABLE HAVING A HEAD MOTION OF THE POLYECCENTRIC FLYWHEEL TYPE WHICH INHERENTLY GENERATES RECIPROCATING MOTION HAVING QUICKER REVERSAL AT ONE END OF THE STROKE THAN AT THE OTHER, SAID HEAD MOTION HAVING AN AXIS EXTENDING CENTRALLY THEREOF IN THE DIRECTION OF SAID RECIPROCATING MOTION, A PLURALITY OF IMPERFORATE DECKS ANGULARLY ADJUSTABLE RELATIVE TO EACH OTHER, AND MEANS BALANCED ABOUT SAID AXIS CONNECTING ALL DECKS TO THE HEAD MOTION, THE IMPROVEMENT WHICH COMPRISES, RIGID MEANS CONNECTING ALL DECKS TOGETHER AT A POINT REMOTE FROM THE HEAD MOTION SAID RIGID MEANS BEING BALANCED ABOUT SAID AXIS AND HAVING STIFFNESS SUCH AS TO MAINTAIN SAID DECKS IN PREDETERMINED VERTICAL SPACING RELATIVE TO EACH OTHER.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |