US3333564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum bag indicator
Assignee: Sunbeam Corp
•
Filing: 1966-06-28
•
Granted: 1967-08-01
•
Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Robert S Waters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:40
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
A THREE PIECE VACUUM BAG INDICATOR, COMPRISING A HOUSING, A ROTATABLE DRUM INSIDE SAID HOUSING, AND A CLOSURE DISC FOR ONE END OF SAID HOUSING AND DRUM, SAID HOUSING COMPRISING A SINGLE PIECE PLASTIC MOLDING MATERIAL MEMBER, SAID HOUSING HAVING A TOP HORIZONTAL MOUNTING PLATE AND AN INTEGRAL UNDERLYING CYLINDRICAL DRUM CHAMBER, SAID DRUM CHAMBER HAVING ITS AXIS DISPOSED PARALLEL TO SAID PLATE, ONE END OF SAID DRUM CHAMBER BEING CLOSED BY AN END WALL INTEGRAL WITH SAID DRUM CHAMBER, THE OTHER END OF SAID DRUM CHAMBER BEING OPEN, SAID DRUM COMPRISING A SINGLE PIECE PLASTIC MOLDING MATERIAL MEMBER AND BEING LOCATED IN SAID DRUM CHAMBER, SAID CLOSURE DISC BEING POSITIONED IN THE OPEN END OF SAID DRUM CHAMBER AND ADJACENT ONE END OF SAID DRUM, BEARING MEANS FORMED AT OPPOSITE ENDS OF SAID DRUM AND IN SAID END WALL AND DISC IN ALIGNMENT WITH THE AXIS OF SAID DRUM CHAMBER FOR ROTATABLY MOUNTING SAID DRUM INSIDE SAID DRUM CHAMBER, A WINDOW FORMED IN SAID MOUNTING PLATE TO MAKE SAID DRUM VISIBLE FROM ABOVE SAID MOUNTING PLATE, AN AIR VANE INTEGRALLY FORMED ON SAID DRUM FOR ROTATING THE SAME BY AIR FLOW, AN AIR INLET OPENING TO SAID DRUM CHAMBER FORMED IN SAID MOUNTING PLATE, AN
Claim 2
Dependent Claim
206 words
A THREE PIECE VACUUM BAG INDICATOR, COMPRISING A HOUSING, A ROTATABLE DRUM INSIDE SAID HOUSING, AND A CLOSURE DISC FOR ONE END OF SAID HOUSING AND DRUM, SAID HOUSING COMPRISING A SINGLE PIECE PLASTIC MOLDING MATERIAL MEMBER, SAID HOUSING HAVING A TOP HORIZONTAL MOUNTING PLATE AND AN INTEGRAL UNDERLYING CYLINDRICAL DRUM CHAMBER, SAID DRUM CHAMBER HAVING ITS AXIS DISPOSED PARALLEL TO SAID PLATE, ONE END OF SAID DRUM CHAMBER BEING CLOSED BY AN END WALL INTEGRAL WITH SAID DRUM CHAMBER, THE OTHER END OF SAID DRUM CHAMBER BEING OPEN, SAID DRUM COMPRISING A SINGLE PIECE PLASTIC MOLDING MATERIAL MEMBER AND BEING LOCATED IN SAID DRUM CHAMBER, SAID CLOSURE DISC BEING POSITIONED IN THE OPEN END OF SAID DRUM CHAMBER AND ADJACENT ONE END OF SAID DRUM, BEARING MEANS FORMED AT OPPOSITE ENDS OF SAID DRUM AND IN SAID END WALL AND DISC IN ALIGNMENT WITH THE AXIS OF SAID DRUM CHAMBER FOR ROTATABLY MOUNTING SAID DRUM INSIDE SAID DRUM CHAMBER, A WINDOW FORMED IN SAID MOUNTING PLATE TO MAKE SAID DRUM VISIBLE FROM ABOVE SAID MOUNTING PLATE, AN AIR VANE INTEGRALLY FORMED ON SAID DRUM FOR ROTATING THE SAME BY AIR FLOW, AN AIR INLET OPENING TO SAID DRUM CHAMBER FORMED IN SAID MOUNTING PLATE, AN
References Cited (Backward Citations)
GB729660A
Cited
US3210793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |