Patent US3184128A successfully refreshed from Google Patents.
US3184128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pack board
Assignee: Individual
•
Filing: 1963-01-21
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Granted: 1965-05-18
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Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Bucher Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:06
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/04; A45F3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN A PACK BOARD, A SUBSTANTIALLY U-SHAPED FRAMEWORK, A SHEET OF RIGID MATERIAL SUBSTANTIALLY CO-EXTENSIVE WITH THE DIMENSIONS OF THE U-SHAPED FRAMEWORK, SUCH SHEET HAVING AN UPWARDLY CURVED FRONT WHICH IS SECURED TO THE CROSSWISE PORTION OF THE U-SHAPED FRAMEWORK AND TURNED UP SIDES WHICH ARE SECURED ALONG THE SIDES OF THE U-SHAPED FRAMEWORK, THE ENDS OF THE U-SHAPED FRAMEWORK BEING ADAPTED TO RIGIDLY INTERCONNECT WITH THE ENDS OF A FRAMEWORK OF A SECOND PACK BOARD, MEANS TO INTERCONNECT
Claim 2
Dependent Claim
79 words
IN A PACK BOARD, A SUBSTANTIALLY U-SHAPED FRAMEWORK, A SHEET OF RIGID MATERIAL SUBSTANTIALLY CO-EXTENSIVE WITH THE DIMENSIONS OF THE U-SHAPED FRAMEWORK, SUCH SHEET HAVING AN UPWARDLY CURVED FRONT WHICH IS SECURED TO THE CROSSWISE PORTION OF THE U-SHAPED FRAMEWORK AND TURNED UP SIDES WHICH ARE SECURED ALONG THE SIDES OF THE U-SHAPED FRAMEWORK, THE ENDS OF THE U-SHAPED FRAMEWORK BEING ADAPTED TO RIGIDLY INTERCONNECT WITH THE ENDS OF A FRAMEWORK OF A SECOND PACK BOARD, MEANS TO INTERCONNECT
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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |