US3051580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of packaging food
Assignee: Primerica Inc
•
Filing: 1958-12-29
•
Granted: 1962-08-28
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Brennan Thomas Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:58
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B65; B65D; B65D25/00; B65D25/34; B65D7/00; B65D7/12; B65D7/34; B65D7/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
THE METHOD OF PROVIDING AND USING A FOOD PACKAGING CONTAINER SUITABLE NOT ONLY FOR ECONOMICAL STORAGE AND MERCHANDISING, BUT ALSO FOR CONVENIENT REFINED TABLE SERVICE OF CONTAINED FOOD, WHICH COMPRISES DRAW FORMING A SHEET METAL CUP HAVING A BOTTOM INTEGRALLY CONNECTED BY A SMOOTH RADIUM TO A SIDE WALL; PRESS-FORMING A SHEET METAL COVER SHAPED AT ITS MARGIN TO RECEIVE THE UPPER MARGIN AND EDGE OF SAID SIDE WALL AND TO BE DOUBLE SEAMED THERETO; APPLYING TO THE OUTER SURFACE OF SAID SIDE WALL AND RADIUS AND TO THE UPPER SURFACE OF SAID COVER IN THE DOUBLE SEAM MARGIN AREA A PIGMENTED OPAQUE COATING WHICH IS RESISTANT TO FLEXING, TO SCRATCHING AND TO COOKING OVEN HEAT, WHILE MAINTAINING THE SIDE WALL FREE OF COMMERCIAL MARKS AND INDICIA; CAUSING SAID COATING TO HARDEN AND SET TO A TOUGH DECORATIVE LAYER; THEREAFTER DOUBLE SEAMING SAID COVER TO THE UPPER MARGIN OF SAID SIDE WALL, AFTER THE CUP IS FILLED WITH FOOD; CUTTING OUT THE CENTRAL PORTION OF THE COVER CLOSELY ADJACENT THE DOUBLE SEAM; AND SMOOTING THE RESULTING BURR AT THE INSIDE OF THE DOUBLE SEAM TO PROVIDE A CONTAINER HAVING THE APPEARANCE OF CONVENTIONAL FOOD-SERVING OVEN WARE.
Claim 2
Independent Claim
196 words
THE METHOD OF PROVIDING AND USING A FOOD PACKAGING CONTAINER SUITABLE NOT ONLY FOR ECONOMICAL STORAGE AND MERCHANDISING, BUT ALSO FOR CONVENIENT REFINED TABLE SERVICE OF CONTAINED FOOD, WHICH COMPRISES DRAW FORMING A SHEET METAL CUP HAVING A BOTTOM INTEGRALLY CONNECTED BY A SMOOTH RADIUM TO A SIDE WALL; PRESS-FORMING A SHEET METAL COVER SHAPED AT ITS MARGIN TO RECEIVE THE UPPER MARGIN AND EDGE OF SAID SIDE WALL AND TO BE DOUBLE SEAMED THERETO; APPLYING TO THE OUTER SURFACE OF SAID SIDE WALL AND RADIUS AND TO THE UPPER SURFACE OF SAID COVER IN THE DOUBLE SEAM MARGIN AREA A PIGMENTED OPAQUE COATING WHICH IS RESISTANT TO FLEXING, TO SCRATCHING AND TO COOKING OVEN HEAT, WHILE MAINTAINING THE SIDE WALL FREE OF COMMERCIAL MARKS AND INDICIA; CAUSING SAID COATING TO HARDEN AND SET TO A TOUGH DECORATIVE LAYER; THEREAFTER DOUBLE SEAMING SAID COVER TO THE UPPER MARGIN OF SAID SIDE WALL, AFTER THE CUP IS FILLED WITH FOOD; CUTTING OUT THE CENTRAL PORTION OF THE COVER CLOSELY ADJACENT THE DOUBLE SEAM; AND SMOOTING THE RESULTING BURR AT THE INSIDE OF THE DOUBLE SEAM TO PROVIDE A CONTAINER HAVING THE APPEARANCE OF CONVENTIONAL FOOD-SERVING OVEN WARE.
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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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |