US3383839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for collecting fibrous materials
Assignee: Huyck Corp
•
Filing: 1965-03-23
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Granted: 1968-05-21
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Expires: 1985-03-23
Abstract
No abstract record available.
Inventors
- 👤 John C Hintermaier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:28
CPC Classifications
D; D21; D21G; D21G9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN A DEVICE FOR GATHERING UP LOOSE FIBROUS MATERIALS FROM THE SURFACE OF A FIBROUS WEB BY VACUUMING, A FILTERING DEVICE COMPRISING A CYLINDRICAL CLEAR PLASTIC MEMBER WHICH IS OPEN AT BOTH ENDS AND CONSTITUTES A PART OF THE AIR CONDUIT TO A VACUUM DEVICE, SAID PLASTIC MEMBER HAVING MARKINGS ALONG ITS LENGTH AT .100" INTERVALS BEGINNING NEAR THE AIR EGRESS SIDE THEREOF, AND A CYLINDRICAL 150 MESH WOVEN WIRE FILTER MEMBER WHICH IS OPEN AT ONE END AND HAS AN OUTER DIAMETER SUBSTANTIALLY EQUAL TO THE INNER DIAMETER OF SAID PLASTIC MEMBER, SAID FILTER MEMBER HAVING RIGID CIRCULAR SUPPORT FRAME MEMBERS AT EACH END THEREOF RIGED SUPPORT FRAME MEMBERS INTERCONNECTNG SAID CIRCULAR SUPPORT FRAME MEMBERS AND EXTENDING THEREBETWEEN PARALLEL TO THE AXIS OF SAID FILTER MEMBER, AD RIGID SUPPORT FRAME MEMBERS POSITIONED ACROSS THE CIRCULAR SUPPORT FRAME MEMBER AT THE CLOSED ED OF SAID FILTER MEMBER,
Claim 2
Dependent Claim
147 words
IN A DEVICE FOR GATHERING UP LOOSE FIBROUS MATERIALS FROM THE SURFACE OF A FIBROUS WEB BY VACUUMING, A FILTERING DEVICE COMPRISING A CYLINDRICAL CLEAR PLASTIC MEMBER WHICH IS OPEN AT BOTH ENDS AND CONSTITUTES A PART OF THE AIR CONDUIT TO A VACUUM DEVICE, SAID PLASTIC MEMBER HAVING MARKINGS ALONG ITS LENGTH AT .100" INTERVALS BEGINNING NEAR THE AIR EGRESS SIDE THEREOF, AND A CYLINDRICAL 150 MESH WOVEN WIRE FILTER MEMBER WHICH IS OPEN AT ONE END AND HAS AN OUTER DIAMETER SUBSTANTIALLY EQUAL TO THE INNER DIAMETER OF SAID PLASTIC MEMBER, SAID FILTER MEMBER HAVING RIGID CIRCULAR SUPPORT FRAME MEMBERS AT EACH END THEREOF RIGED SUPPORT FRAME MEMBERS INTERCONNECTNG SAID CIRCULAR SUPPORT FRAME MEMBERS AND EXTENDING THEREBETWEEN PARALLEL TO THE AXIS OF SAID FILTER MEMBER, AD RIGID SUPPORT FRAME MEMBERS POSITIONED ACROSS THE CIRCULAR SUPPORT FRAME MEMBER AT THE CLOSED ED OF SAID FILTER MEMBER,
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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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |