← Back to Patent Explorer
US3296777A Expired / Lapsed US ⏱️ 0.0 years remaining

Combination vacuum sweeper and liquid vaporizer

Assignee: PULLMAN-HOLT Corp 10702 46TH STREET TAMPA FL 33617 A CORP OF
•
Filing: 1964-08-06
•
Granted: 1967-01-10
•
Expires: 1984-08-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Clark E Jackson
  • 👤 Sydney G Thornbury

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 11:39
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 180 words
IN COMBINATION WITH A VACUUM SWEEPER COMPRISING AN OUTER CASE, A BLOWER, MEANS IN SAID CASE FORMING A BLOWER CHAMBER, AN AIR INLET TO SAID BLOWER CHAMBER, FILTER MEANS IN ADVANCE OF SAID INLET, AN AIR DISCHARGE OUTLET FROM SAID BLOWER CHAMBER, BRACKET MEANS, FASTENER MEANS MOUNTING SAID BRACKET MEANS ON SAID OUTER CASE, SAID BRACKET MEANS COMPRISING A VERTICALLY DISPOSED BRACKET, A BENT STRAP PORTION CONNECTED TO THE LOWER END PORTION OF SAID BRACKET, MEANS ON SAID STRAP PORTION FORMING A CONTAINER SUPPORT, A CONTAINER, GUIDE MEANS ON SAID STRAP PORTION TO RECEIVE THE INVERTED UPPER END OF THE CONTAINER, MEANS CARRIED ON THE UPPER END PORTION OF SAID BRACKET FOR ENGAGING THE BOTTOM OF THE INVERTED CONTAINER, A TUBE FOR DRAWING OFF LIQUID FROM SAID CONTAINER, SAID TUBE EXTENDING FROM THE LOWER END OF SAID BRACKET MEANS, INTO THE INTERIOR OF SAID CASE TO A LOCATION THEREIN ADJACENT THE INLET TO SAID BLOWER CHAMBER, AND A NOZZLE CONNECTED TO THE INNER END OF SAID TUBE ADJACENT SAID INLET, FOR ASPIRATING LIQUID WITHDRAWN FROM SAID CONTAINER VIA SAID TUBE.
Claim 2
Dependent Claim 180 words
IN COMBINATION WITH A VACUUM SWEEPER COMPRISING AN OUTER CASE, A BLOWER, MEANS IN SAID CASE FORMING A BLOWER CHAMBER, AN AIR INLET TO SAID BLOWER CHAMBER, FILTER MEANS IN ADVANCE OF SAID INLET, AN AIR DISCHARGE OUTLET FROM SAID BLOWER CHAMBER, BRACKET MEANS, FASTENER MEANS MOUNTING SAID BRACKET MEANS ON SAID OUTER CASE, SAID BRACKET MEANS COMPRISING A VERTICALLY DISPOSED BRACKET, A BENT STRAP PORTION CONNECTED TO THE LOWER END PORTION OF SAID BRACKET, MEANS ON SAID STRAP PORTION FORMING A CONTAINER SUPPORT, A CONTAINER, GUIDE MEANS ON SAID STRAP PORTION TO RECEIVE THE INVERTED UPPER END OF THE CONTAINER, MEANS CARRIED ON THE UPPER END PORTION OF SAID BRACKET FOR ENGAGING THE BOTTOM OF THE INVERTED CONTAINER, A TUBE FOR DRAWING OFF LIQUID FROM SAID CONTAINER, SAID TUBE EXTENDING FROM THE LOWER END OF SAID BRACKET MEANS, INTO THE INTERIOR OF SAID CASE TO A LOCATION THEREIN ADJACENT THE INLET TO SAID BLOWER CHAMBER, AND A NOZZLE CONNECTED TO THE INNER END OF SAID TUBE ADJACENT SAID INLET, FOR ASPIRATING LIQUID WITHDRAWN FROM SAID CONTAINER VIA SAID TUBE.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-09 1970-07-11 1971-01-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-09 1974-07-11 1975-01-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-09 1978-07-11 1979-01-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag