US3194397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable sieves
Assignee: H G SCHAUENBURG VERWALTUNG und FINANZIERUNG GmbH
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Filing: 1962-05-24
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Granted: 1965-07-13
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Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 Taege Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:57
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/4609; B07B1/4636; B01; B01D; B01D33/00; B01D33/01; B01D33/03; B01D33/0346; B01D33/0376; B01D33/27; B01D33/275; B07B1/48; B01D2201/00; B01D2201/18; B01D2201/184
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A RIDDLE COMPRISING A SUPPORTING FRAME; A SIEVE SPANNING SAD FRAME, SAID SIEVE HAVING A PLANAR ARRAY OF CODIRECTIONALLY EXTENDING PARALLEL ELONGATED GENERALLY RIGID SPACED ELEMENTS FORMING A PLURALITY OF ELONGATED THROUGHGOING SLOTS, AND RESILIENT MEANS INTERCONNECTING LATERALLY ADJACENT ONES OF SAID ELEMENTS; AND TENSIONING MEANS INCLUDING SAID FRAME FOR STRETCHING SAID RESILIENT MEANS, THEREBY ADJUSTING THE WIDTHS OF SAID SLOTS, SAID ARRAY HAVING A RECEIVING SURFACE FOR A SUBSTANCE TO BE SEPARATED, SAID TENSIONING MEANS INCLUDING A TIGHTENING MEMBER FOR STRETCHING SAID SIEVE IN A DIRECTION GENERALLY TRANSVERSE TO
Claim 2
Dependent Claim
90 words
A RIDDLE COMPRISING A SUPPORTING FRAME; A SIEVE SPANNING SAD FRAME, SAID SIEVE HAVING A PLANAR ARRAY OF CODIRECTIONALLY EXTENDING PARALLEL ELONGATED GENERALLY RIGID SPACED ELEMENTS FORMING A PLURALITY OF ELONGATED THROUGHGOING SLOTS, AND RESILIENT MEANS INTERCONNECTING LATERALLY ADJACENT ONES OF SAID ELEMENTS; AND TENSIONING MEANS INCLUDING SAID FRAME FOR STRETCHING SAID RESILIENT MEANS, THEREBY ADJUSTING THE WIDTHS OF SAID SLOTS, SAID ARRAY HAVING A RECEIVING SURFACE FOR A SUBSTANCE TO BE SEPARATED, SAID TENSIONING MEANS INCLUDING A TIGHTENING MEMBER FOR STRETCHING SAID SIEVE IN A DIRECTION GENERALLY TRANSVERSE TO
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |