Patent US4803308A successfully refreshed from Google Patents.
Patent US2474207A successfully refreshed from Google Patents.
Patent US3406860A successfully refreshed from Google Patents.
US3406860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple pan unit
Assignee: Ekco Products Inc
•
Filing: 1967-09-25
•
Granted: 1968-10-22
•
Expires: 1987-09-25
Abstract
No abstract record available.
Inventors
- 👤 Kaufman Morris
- 👤 Roy W Bloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:05
CPC Classifications
A; A21; A21B; A21B3/00; A21B3/13; A21B3/133; A21B3/134
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A MULTIPLE PAN UNIT, THE COMBINATION OF A PLURALITY OF PANS, EACH OF SAID PANS HAVING A PAIR OF OPPOSED END WALLS, SAID END WALLS OF EACH PAN BEING AT A DISTANCE APART IN COMMON WITH THE DISTANCE BETWEEN THE END WALLS OF THE OTHER PANS, SAID PANS BEING ARRANGED IN A ROW WITH THE END WALLS THEREOF IN ALIGNED RELATION LENGTHWISE OF SAID ROW, EACH PAN BEING JOINED IN SPACED RELATION TO THE NEXT ADJACENT PAN LENGTHWISE OF SAID ROW BY MEANS OF A CONNECTOR ATTACHED TO EACH PAN, SAID CONNECTOR OF EACH PAN HAVING RELEASABLE INTERLOCKING ENGAGEMENT WITH THE CONNECTOR OF THE NEXT ADJACENT PAN , AND MEANS FOR SECURING SAID CONNECTORS AGAINST WITHDRAWAL FROM INTERLOCKING ENGAGEMENT INCLUDING A TENSION MEMBER LOOPED ABOUT THE PERIMETER OF THE PAN UNIT AS DEFINED BY EXPOSED SURFACES OF THE CONNECTORS WHICH BORDER THE AREA OCCUPIED BY SAID PANS OF THE UNIT.
Claim 2
Dependent Claim
151 words
IN A MULTIPLE PAN UNIT, THE COMBINATION OF A PLURALITY OF PANS, EACH OF SAID PANS HAVING A PAIR OF OPPOSED END WALLS, SAID END WALLS OF EACH PAN BEING AT A DISTANCE APART IN COMMON WITH THE DISTANCE BETWEEN THE END WALLS OF THE OTHER PANS, SAID PANS BEING ARRANGED IN A ROW WITH THE END WALLS THEREOF IN ALIGNED RELATION LENGTHWISE OF SAID ROW, EACH PAN BEING JOINED IN SPACED RELATION TO THE NEXT ADJACENT PAN LENGTHWISE OF SAID ROW BY MEANS OF A CONNECTOR ATTACHED TO EACH PAN, SAID CONNECTOR OF EACH PAN HAVING RELEASABLE INTERLOCKING ENGAGEMENT WITH THE CONNECTOR OF THE NEXT ADJACENT PAN , AND MEANS FOR SECURING SAID CONNECTORS AGAINST WITHDRAWAL FROM INTERLOCKING ENGAGEMENT INCLUDING A TENSION MEMBER LOOPED ABOUT THE PERIMETER OF THE PAN UNIT AS DEFINED BY EXPOSED SURFACES OF THE CONNECTORS WHICH BORDER THE AREA OCCUPIED BY SAID PANS OF THE UNIT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |