Patent US3135561A successfully refreshed from Google Patents.
US3135561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for blowing and spraying light weight fibers and granulated materials
Assignee: Individual
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Filing: 1961-01-19
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Granted: 1964-06-02
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Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Kempthorne James Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:42
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B7/1409; B05B7/1431; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/085; E04F21/12; E04F21/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A MACHINE OF THE CHARACTER DESCRIBED, THE COMBINATION OF A HOOPER, A FEED SCREW FOR CONVEYING MATERIAL FROM THE HOPPER, A ROTATABLE CARDING BRUSH ADJACENT AND BELOW THE DISCHARGE END OF THE FEED SCREW AND HAVING RADIAL BRISTLES EXTENDING ABOVE THE LOWER LEVEL OF THE FEED SCREW AND ADAPTED TO RECEIVE THE MATERIAL MOVED BY THE FEED SCREW, A TRANSPARENT FEED BOX BELOW SAID CARDING BRUSH TO RECEIVE MATERIAL THROWN DOWN BY THE BRUSH, A
Claim 2
Dependent Claim
76 words
IN A MACHINE OF THE CHARACTER DESCRIBED, THE COMBINATION OF A HOOPER, A FEED SCREW FOR CONVEYING MATERIAL FROM THE HOPPER, A ROTATABLE CARDING BRUSH ADJACENT AND BELOW THE DISCHARGE END OF THE FEED SCREW AND HAVING RADIAL BRISTLES EXTENDING ABOVE THE LOWER LEVEL OF THE FEED SCREW AND ADAPTED TO RECEIVE THE MATERIAL MOVED BY THE FEED SCREW, A TRANSPARENT FEED BOX BELOW SAID CARDING BRUSH TO RECEIVE MATERIAL THROWN DOWN BY THE BRUSH, A
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |