Patent US3193108A successfully refreshed from Google Patents.
US3193108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelf extender
Assignee: Waldorf Paper Products Co
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Filing: 1963-08-19
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Granted: 1965-07-06
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Expires: 1983-08-19
Abstract
No abstract record available.
Inventors
- 👤 Ronald V Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:02
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/11; A47F5/112; A47F5/0043; A47F5/0068; Y; Y10; Y10S; Y10S206/00; Y10S206/806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A SHELF EXTENDER INCLUDING A GENERALLY RECTANGULAR TRAY OF PAPERBOARD, THE TRAY INCLUDING A BOTTOM PANEL, FRONT, REAR AND END WALLS EXTENDING UPWARDLY THEREFROM, MEANS CONNECTING SAID FRONT, REAR AND END WALLS TOGETHER, MEANS CONNECTING SIAD FRONT, REAR AND END WALLS TOGETHER, BRACKET FLAPS INTEGRAL WITH EDGES OF SAID END WALLS AND EXTENDING REARWARDLY BEYOND SAID END WALLS AND ADAPTED TO ENGAGE OVER A SHELF, THE BRACKET FLAPS BEING SHORT RELATIVE TO THE HEIGHT OF THE END WALLS, BRACKET ARMS INTEGRAL WITH SAID EDGES OF SAID END WALLS AND EXTENDING REARWARDLY FROM SAID END WALLS SPACED BELOW SAID BRACKET FLAPS AND ADAPTED TO ENGAGE BENEATH A SHELF OVER WHICH SAID END FLAPS EXTEND.
Claim 2
Dependent Claim
113 words
A SHELF EXTENDER INCLUDING A GENERALLY RECTANGULAR TRAY OF PAPERBOARD, THE TRAY INCLUDING A BOTTOM PANEL, FRONT, REAR AND END WALLS EXTENDING UPWARDLY THEREFROM, MEANS CONNECTING SAID FRONT, REAR AND END WALLS TOGETHER, MEANS CONNECTING SIAD FRONT, REAR AND END WALLS TOGETHER, BRACKET FLAPS INTEGRAL WITH EDGES OF SAID END WALLS AND EXTENDING REARWARDLY BEYOND SAID END WALLS AND ADAPTED TO ENGAGE OVER A SHELF, THE BRACKET FLAPS BEING SHORT RELATIVE TO THE HEIGHT OF THE END WALLS, BRACKET ARMS INTEGRAL WITH SAID EDGES OF SAID END WALLS AND EXTENDING REARWARDLY FROM SAID END WALLS SPACED BELOW SAID BRACKET FLAPS AND ADAPTED TO ENGAGE BENEATH A SHELF OVER WHICH SAID END FLAPS EXTEND.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |