Patent US3246446A successfully refreshed from Google Patents.
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
Abstract
No abstract record available.
Inventors
- 👤 Frank C Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:21
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 |