Patent US1515802A successfully refreshed from Google Patents.
Patent US3218778A successfully refreshed from Google Patents.
US3218778A
Expired / Lapsed
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Vacuum packaging apparatus
Assignee: Individual
•
Filing: 1964-07-06
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Granted: 1965-11-23
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Stephen T Moreland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:58
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/20; B65B1/26; B30; B30B; B30B9/00; B30B9/30; B30B9/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A VACUUM BALER COMPRISING A TUBULAR SHELL OPEN AT BOTH ENDS WITH A FIXED PLATE AND A MOVABLE PLATE AT OPPOSITE ENDS, EACH PLATE HAVING A FLANGE EXTENDING INWARDLY AND SPACED FROM THE INSIDE OF THE SHELL A DISTANCE SUFFICIENT TO RECEIVE THE OPEN END OF A SLEEVE THEREBETWEEN AND TO HOLD IT THEREON, AN AIR BORNE FIBER INLET THROUGH THE FIXED PLATE, AN OPEN SCREEN WITHIN THE FLANGE ON THE MOVABLE PLATE, THE LATTER PLATE HAVING PASSAGES AT THE OPPOSITE SIDE OF THE SCREEN FROM THE INSIDE OF THE SHELL AND SUCTION MEANS FOR DRAWING AIR IN THE PASSAGES, THROUGH THE SCREEN AND FROM A SLEEVE OUTWARDLY FROM THE SHELL.
Claim 2
Dependent Claim
111 words
A VACUUM BALER COMPRISING A TUBULAR SHELL OPEN AT BOTH ENDS WITH A FIXED PLATE AND A MOVABLE PLATE AT OPPOSITE ENDS, EACH PLATE HAVING A FLANGE EXTENDING INWARDLY AND SPACED FROM THE INSIDE OF THE SHELL A DISTANCE SUFFICIENT TO RECEIVE THE OPEN END OF A SLEEVE THEREBETWEEN AND TO HOLD IT THEREON, AN AIR BORNE FIBER INLET THROUGH THE FIXED PLATE, AN OPEN SCREEN WITHIN THE FLANGE ON THE MOVABLE PLATE, THE LATTER PLATE HAVING PASSAGES AT THE OPPOSITE SIDE OF THE SCREEN FROM THE INSIDE OF THE SHELL AND SUCTION MEANS FOR DRAWING AIR IN THE PASSAGES, THROUGH THE SCREEN AND FROM A SLEEVE OUTWARDLY FROM THE SHELL.
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |