US2497203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butter package
Assignee: Paterson Pacific Parchment Co
•
Filing: 1947-11-12
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Granted: 1950-02-14
•
Expires: 1967-11-12
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:11
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/42; B65D65/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A BUTTER PACKAGE COMPRISING A CAKE OF FRESH BUTTER COMPLETELY ENCLOSED IN A SHEET MATERIAL CONSISTING OF A RELATIVELY WATER AND MOISTURE IMPERMEABLE BASE SHEET MATERIAL POSITIONED ON THE OUTSIDE OF THE PACKAGE, A RELATIVELY WATER PERMEABLE SHEET OF VEGETABLE PARCHMENT POSITIONED IN DIRECT CONTACT WITH THE CAKE OF BUTTER, A LAYER OF WATER SOLUBLE MOLD-RETARDING MATERIAL SELECTED FROM THE GROUP CONSISTING OF SODIUM CHLORIDE, SODIUM PROPIONATE, CALCIUM PROPIONATE, AND MIXTURES THEREOF, PROVIDED BETWEEN SAID SHEETS, AND A LAMINATING AGENT SECURING SAID SHEETS TOGETHER AS A UNITARY WRAPPER WITH SAID MOLD-RETARDING MATERIAL THEREBETWEEN.
References Cited (Backward Citations)
US2204612A
Cited
GB490349A
Cited
US2240072A
Cited
US2329908A
Cited
US2415387A
Cited
US2427647A
Cited
US2441477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |