US3343224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card
Assignee: Individual
•
Filing: 1966-11-09
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Granted: 1967-09-26
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Expires: 1986-11-09
Abstract
No abstract record available.
Inventors
- 👤 Vinogradov Alexandr Sergeevich
- 👤 Kapustin Jury Mikhailovich
- 👤 Maxjutenko Ilya Nikolaevich
- 👤 Kiselnikov Vladimi Nikolaevich
- 👤 Borisov Igor Sergeevich
- 👤 Mazalov Ivan Mikhailovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:45
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/02; D01G15/12; D01G15/14; D01G15/20; D01G15/24; D01G15/32; D01G15/76; D01G15/763; D01G15/78; D01G15/785; D01G15/80; D01G15/805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A CARD WITH A DOFFER COMB AND DELIVERY ROLLERS, A DUST AND FLUFF ELIMINATOR COMPRISING A RECTANGULAR CHAMBER; A ROTATING PERFORATED DISK PARTLY ENTERING INTO THE AFOREMENTIONED MEMBER AND DIVIDING IT INTO TWO SECTIONS; AIR DUCT FOR DUST AND FLUFF TRANSPORT PROVIDED WITH NOZZLES ARRANGED IN THE WORKING ZONES OF THE DOFFER COMB AND DELIVERY ROLLERS; ONE SECTION OF THE AFORESAID CHAMBER COMMUNICATING WITH SAID AIR DUCTS; A FAN FOR CREATING A VACUUM IN SAID CHAMBER AND SAID AIR DUCTS; THE SECOND SECTION OF SAID CHAMBER MADE IN THE SHAPE OF A DISK AND COMMUNICATING WITH SAID FAN; ONE OF THE NOZZLES HAVING MULTIPLE SLOTS.
Claim 2
Dependent Claim
106 words
IN A CARD WITH A DOFFER COMB AND DELIVERY ROLLERS, A DUST AND FLUFF ELIMINATOR COMPRISING A RECTANGULAR CHAMBER; A ROTATING PERFORATED DISK PARTLY ENTERING INTO THE AFOREMENTIONED MEMBER AND DIVIDING IT INTO TWO SECTIONS; AIR DUCT FOR DUST AND FLUFF TRANSPORT PROVIDED WITH NOZZLES ARRANGED IN THE WORKING ZONES OF THE DOFFER COMB AND DELIVERY ROLLERS; ONE SECTION OF THE AFORESAID CHAMBER COMMUNICATING WITH SAID AIR DUCTS; A FAN FOR CREATING A VACUUM IN SAID CHAMBER AND SAID AIR DUCTS; THE SECOND SECTION OF SAID CHAMBER MADE IN THE SHAPE OF A DISK AND COMMUNICATING WITH SAID FAN; ONE OF THE NOZZLES HAVING MULTIPLE SLOTS.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |