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US3299612A Expired / Lapsed US ⏱️ 0.0 years remaining

Sandwich wrapper-sealer

Assignee: Individual
•
Filing: 1965-10-01
•
Granted: 1967-01-24
•
Expires: 1985-10-01
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Abstract

No abstract record available.

Inventors

  • 👤 Bernhardt Daniel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:57
CPC Classifications
B; B65; B65B; B65B67/00; B65B67/08; B65B67/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 177 words
MEANS FOR FOLDING AND HEAT SEALING SANDWICHES AND THE LIKE IN SANITARY WRAPPERS COMPRISING FIRST MEANS FOR STORING AND FEEDING INDIVIDUAL SANDWICH WRAPPERS; SECOND MEANS POSITIONED IMMEDIATELY ABOVE SAID FIRST MEANS FOR POSITIONING THE SANDWICH ITEM TO BE WRAPPED; SAID SECOND MEANS COMPRISING A PLATFORM COVERING APPROXIMATELY ONE-HALF OF SAID FIRST MEANS; FOLDING MEANS FOR FOLDING THE MARGINAL EDGES OF SAID WRAPPER AGAINST ONE SIDE OF SAID FOOD ITEM POSITIONED IN CLOSE PROXIMITY TO SAID FIRST AND SECOND MEANS; HEATING MEANS FOR HEAT SEALING THE FOLDS OF SAID WRAPPER TO COMPLETELY SEAL SAID FOOD ITEM WITHIN THE WRAPPER; SAID HEATING MEANS BEING POSITIONED IN TANDEM WITH SAID FOLDING MEANS TO PERFORM THE HEAT SEALING OPERATION BEFORE COMPLETION OF THE FOLDING OPERATION; SAID FIRST MEANS COMPRISING A SPRING MOUNTED PLATFORM MEANS FOR SUPPORTING A STACK OF SANITARY WRAPPERS; SAID PLATFORM MEANS BEING BIASED IN THE DIRECTION OF SAID SECOND MEANS; SAID SPRING MOUNTED PLATFORM HAVING A PIN PROJECTING UPWARDLY TOWARD SAID SECOND MEANS AND PROTRUDING THROUGH SAID STACK OF WRAPPERS TO RETAIN SAID WRAPPERS IN A NEAT STACK.
Claim 2
Dependent Claim 177 words
MEANS FOR FOLDING AND HEAT SEALING SANDWICHES AND THE LIKE IN SANITARY WRAPPERS COMPRISING FIRST MEANS FOR STORING AND FEEDING INDIVIDUAL SANDWICH WRAPPERS; SECOND MEANS POSITIONED IMMEDIATELY ABOVE SAID FIRST MEANS FOR POSITIONING THE SANDWICH ITEM TO BE WRAPPED; SAID SECOND MEANS COMPRISING A PLATFORM COVERING APPROXIMATELY ONE-HALF OF SAID FIRST MEANS; FOLDING MEANS FOR FOLDING THE MARGINAL EDGES OF SAID WRAPPER AGAINST ONE SIDE OF SAID FOOD ITEM POSITIONED IN CLOSE PROXIMITY TO SAID FIRST AND SECOND MEANS; HEATING MEANS FOR HEAT SEALING THE FOLDS OF SAID WRAPPER TO COMPLETELY SEAL SAID FOOD ITEM WITHIN THE WRAPPER; SAID HEATING MEANS BEING POSITIONED IN TANDEM WITH SAID FOLDING MEANS TO PERFORM THE HEAT SEALING OPERATION BEFORE COMPLETION OF THE FOLDING OPERATION; SAID FIRST MEANS COMPRISING A SPRING MOUNTED PLATFORM MEANS FOR SUPPORTING A STACK OF SANITARY WRAPPERS; SAID PLATFORM MEANS BEING BIASED IN THE DIRECTION OF SAID SECOND MEANS; SAID SPRING MOUNTED PLATFORM HAVING A PIN PROJECTING UPWARDLY TOWARD SAID SECOND MEANS AND PROTRUDING THROUGH SAID STACK OF WRAPPERS TO RETAIN SAID WRAPPERS IN A NEAT STACK.

References Cited (Backward Citations)

US2248687A Cited
US2609219A Cited
US2652669A Cited
GB785372A Cited
US2975572A Cited
US3031818A Cited
US3176443A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-23 1970-07-25 1971-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-23 1974-07-25 1975-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-23 1978-07-25 1979-01-24 $7700.00 Window Closed / Lapsed

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