US3170571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging and display tray
Assignee: Corning Glass Works
•
Filing: 1962-08-31
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Granted: 1965-02-23
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Knapp
- 👤 Harry P Laffkas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:32
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/34; Y; Y10; Y10S; Y10S220/00; Y10S220/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN IMPROVED LIGHT-WEIGHT TRAY PACKAGING AND DISPLAYING A PLURALITY OF FRANGIBLE DISH-SHAPED ARTICLES WHICH COMPRISING, A UNITARY BODY HAVING A BOTTOM PORTION AND UPWARDLY EXTENDING SIDE WALL PORTIONS, SAID BOTTOM PORTION HAVING A CIRCULAR UPPER SURFACE, SAID SIDE WALL PORTIONS HAVING SUBSTANTIALLY PLANAR OUTER SURFACES AND INNER SURFACES COMMUNICATING BETWEEN THE PERIPHERY OF SAID CIRCULAR UPPER SURFACE AND THE TOP OF SAID SIDE WALL PORTIONS, SAID INNER SURFACES HAVING A PLURALITY OF ARCUATE PORTIONS EXTENDING VERTICALLY UPWARDLY FROM AND HAVING THE GENERAL CONFIGURATION OF A PERIPHERY OF SAID CIRCULAR UPPER SURFACE, AND A PLURALITY OF RECESSED CORNER PORTIONS INTERMEDIATE SAID ARCUATE PORTIONS HAVING DOWNWARDLYINWARDLY TAPERED SURFACE PORTIONS COMMUNICATING WITH SAID ARCUATE PORTIONS AND EXTENDING DOWNWARDLY TO PORTIONS OF THE PERIPHERY OF SAID CIRCULAR UPPER SURFACE.
Claim 2
Dependent Claim
125 words
AN IMPROVED LIGHT-WEIGHT TRAY PACKAGING AND DISPLAYING A PLURALITY OF FRANGIBLE DISH-SHAPED ARTICLES WHICH COMPRISING, A UNITARY BODY HAVING A BOTTOM PORTION AND UPWARDLY EXTENDING SIDE WALL PORTIONS, SAID BOTTOM PORTION HAVING A CIRCULAR UPPER SURFACE, SAID SIDE WALL PORTIONS HAVING SUBSTANTIALLY PLANAR OUTER SURFACES AND INNER SURFACES COMMUNICATING BETWEEN THE PERIPHERY OF SAID CIRCULAR UPPER SURFACE AND THE TOP OF SAID SIDE WALL PORTIONS, SAID INNER SURFACES HAVING A PLURALITY OF ARCUATE PORTIONS EXTENDING VERTICALLY UPWARDLY FROM AND HAVING THE GENERAL CONFIGURATION OF A PERIPHERY OF SAID CIRCULAR UPPER SURFACE, AND A PLURALITY OF RECESSED CORNER PORTIONS INTERMEDIATE SAID ARCUATE PORTIONS HAVING DOWNWARDLYINWARDLY TAPERED SURFACE PORTIONS COMMUNICATING WITH SAID ARCUATE PORTIONS AND EXTENDING DOWNWARDLY TO PORTIONS OF THE PERIPHERY OF SAID CIRCULAR UPPER SURFACE.
References Cited (Backward Citations)
US1832585A
Cited
US1908940A
Cited
US2766919A
Cited
US3016177A
Cited
US2886828A
Cited
US3103303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |