Patent US3244315A successfully refreshed from Google Patents.
US3244315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pull tab tear strip
Assignee: Primerica Inc
•
Filing: 1963-12-20
•
Granted: 1966-04-05
•
Expires: 1983-12-20
Abstract
No abstract record available.
Inventors
- 👤 Taylor William Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:17
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/404; B65D17/401; B65D17/4012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A MEAL CONTAINER PART HAVING A REMOVABLE SECTION FORMED THEREIN AND SET OFF FROM A NONREMOVABLE SECTION OF SAID CONTAINER PART BY A SCORE SAID SCORE COMPRISING A GROOVE WHICH IS INDENTED INTO SAID CONTAINER PART AND IS FORMED WITH A PAIR OF LATERALLY SPACED SIDE WALLS AND A TRANSVERSE BOTTOM WALL WHICH EXTENDS FROM THE BASE OF ONE OF SAID SIDE WALLS TO THE BASE OF THE OTHER OF SAID SIDE WALLS, SAID BOTTOM WALL COMPRISING ONE SURFACE OF A THIN WEB WHICH FORMS THE BASE OF SAID GROOVE, SAID WEB BEING OF NON-UNIFORM CROSS-SECTIONAL THICKNESS AND HAVING ITS THINNEST AREA LOCATED AT THE BASE OF ONE OF SAID SIDE WALLS, WHEREBY WHEN SAID REMOVABLE SECTION IS DISPLACED FROM THE PLANE OF THE NONREMOVABLE SECTION OF SAID CONTAINER PART AND THINNEST AREA OF SAID WEB IS RUPTURED.
Claim 2
Dependent Claim
138 words
A MEAL CONTAINER PART HAVING A REMOVABLE SECTION FORMED THEREIN AND SET OFF FROM A NONREMOVABLE SECTION OF SAID CONTAINER PART BY A SCORE SAID SCORE COMPRISING A GROOVE WHICH IS INDENTED INTO SAID CONTAINER PART AND IS FORMED WITH A PAIR OF LATERALLY SPACED SIDE WALLS AND A TRANSVERSE BOTTOM WALL WHICH EXTENDS FROM THE BASE OF ONE OF SAID SIDE WALLS TO THE BASE OF THE OTHER OF SAID SIDE WALLS, SAID BOTTOM WALL COMPRISING ONE SURFACE OF A THIN WEB WHICH FORMS THE BASE OF SAID GROOVE, SAID WEB BEING OF NON-UNIFORM CROSS-SECTIONAL THICKNESS AND HAVING ITS THINNEST AREA LOCATED AT THE BASE OF ONE OF SAID SIDE WALLS, WHEREBY WHEN SAID REMOVABLE SECTION IS DISPLACED FROM THE PLANE OF THE NONREMOVABLE SECTION OF SAID CONTAINER PART AND THINNEST AREA OF SAID WEB IS RUPTURED.
References Cited (Backward Citations)
US3039482A
Cited
US3151766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |