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US3246446A Expired / Lapsed US ⏱️ 0.0 years remaining

Bakery item cover forming method

Assignee: Lapco Inc
•
Filing: 1962-09-10
•
Granted: 1966-04-19
•
Expires: 1982-09-10
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Abstract

No abstract record available.

Inventors

  • 👤 Frank C Powers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 03:21
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/20; A21; A21B; A21B3/00; A21B3/13

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 97 words
A METHOD OF COVERING THE OPEN SIDE OF A CONTAINER WITH A RE-USEABLE COVER COMPRISING THE STEPS OF: PLACING A FLEXIBLE THERMOPLASTIC OVERLAPPING FILM OVER THE OPEN SIDE OF THE CONTAINER; PLACING AN ELASTIC BAND AROUND THE OVERLAPPING PORTION OF SAID FILM AND THE EDGE OF SAID OPEN SIDE; INVERTING SAID CONTAINER TO PLACE SAID FILM IN A PROTECTED COVERED POSITION; BLOWING HOT AIR DOWN ONTO THE PERPHERAL EDGE OF SAID FILM TO FOLD IT OVER SAID BAND; AND SECURING SAID FOLDED EDGE AROUND SAID BAND, WHEREBY SAID SHEET AND BAND COMPRISE A REMOVABLE AND REPLACEABLE COVER.
Claim 2
Independent Claim 97 words
A METHOD OF COVERING THE OPEN SIDE OF A CONTAINER WITH A RE-USEABLE COVER COMPRISING THE STEPS OF: PLACING A FLEXIBLE THERMOPLASTIC OVERLAPPING FILM OVER THE OPEN SIDE OF THE CONTAINER; PLACING AN ELASTIC BAND AROUND THE OVERLAPPING PORTION OF SAID FILM AND THE EDGE OF SAID OPEN SIDE; INVERTING SAID CONTAINER TO PLACE SAID FILM IN A PROTECTED COVERED POSITION; BLOWING HOT AIR DOWN ONTO THE PERPHERAL EDGE OF SAID FILM TO FOLD IT OVER SAID BAND; AND SECURING SAID FOLDED EDGE AROUND SAID BAND, WHEREBY SAID SHEET AND BAND COMPRISE A REMOVABLE AND REPLACEABLE COVER.

References Cited (Backward Citations)

US2064411A Cited
US2432662A Cited
US2490451A Cited
US2768107A Cited
US2836339A Cited
US2976655A Cited
US3085375A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-18 1969-10-18 1970-04-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-18 1973-10-18 1974-04-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-18 1977-10-18 1978-04-19 $7700.00 Window Closed / Lapsed

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