Patent US3296864A successfully refreshed from Google Patents.
Patent US3143837A successfully refreshed from Google Patents.
US3143837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container sealing machine
Assignee: Riegel Paper Corp
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Filing: 1960-09-26
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Granted: 1964-08-11
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Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Chalmers W Barr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:43
CPC Classifications
B; B65; B65B; B65B11/00; B65B11/48; Y; Y10; Y10S; Y10S53/00; Y10S53/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
167 words
A MACHINE FOR SUCCESSIVELY SEALING THREE EDGES OF SUBSTANTIALLY RECTANGULAR, FOLDED PAPERBOARD CONTAINER BLANKS, HAVING INTEGRAL FRONT AND REAR WALLS WITH THREE HEAT SEALABLE EDGE PORTIONS, TO FORM RELATIVELY FLAT TWOWALLED BACON PACKAGES OR THE LIKE, COMPRISING A SUPPORTING FRAME MEANS; MEANS SUPPLYING CONTAINER BLANKS WITH SAID FRONT AND REAR WALLS FOLDED INTO A FACE-TO-FACE RELATION AND WITH SAID HEAT SEALABLE EDGE PORTIONS IN SUBSTANTIAL REGISTRY; MAIN CONVEYOR MEANS, HAVING INFEED AND OUTFEED PORTIONS MOUNTED ON SAID FRAME MEANS, FOR TRANSPORTING SUCCESSIVELY SAID FOLDED CONTAINER BLANKS ALONG A PREDETERMINED PATH IN A PREDETERMINED DIRECTION; FIRST HEATING MEANS CARRIED BY SAID FRAME MEANS ADJACENT SAID CONVEYOR INFEED PORTIONS FOR HEATING THE REGISTERED EDGE PORTIONS OF SAID FOLDED CONTAINER BLANKS; FIRST SEALING MEANS CARRIED BY SAID FRAME MEANS AND ARRANGED BEYOND SAID FIRST HEATING MEANS IN THE DIRECTION OF TRAVEL OF SAID INFEED CONVEYOR PORTIONS AND IN ALIGNMENT WITH SAID FIRST HEATING MEANS; TURNING MEANS BEYOND SAID FIRST SEALING MEANS IN SAID DIRECTION OF TRAVEL FOR RE-ORIENTING SAID PACK
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |