Patent US3145131A successfully refreshed from Google Patents.
US3145131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint for corrugated board
Assignee: Dow Chemical Co
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Filing: 1960-05-05
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Granted: 1964-08-18
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Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 Walter A Finke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:50
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/4279; Y; Y10; Y10S; Y10S229/00; Y10S229/939; Y10T; Y10T428/00; Y10T428/19; Y10T428/192; Y10T428/193
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A JOINT FORMED BETWEEN TWO PIECES OF CORRUGATED PAPER BOARD EACH HAVING A CORRUGATED FILLER SHEET AND AN OUTER SHEET AFFIXED TO EACH SIDE OF THE FILLERSHEET, WHICH JOINT IS FORMED SO THAT A FULL SECTION TAKEN THROUGH ANY PART OF THE JOINT WILL INCLUDE, ONE OF THE OUTER SHEETS OF THE FIRST BOARD AFFIXED TO ONE OF THE OUTER SHEETS OF THE SECOND BOARD, CORRUGATED FILLER SHEETS OF EACH BOARD AFFIXED
Claim 2
Dependent Claim
72 words
A JOINT FORMED BETWEEN TWO PIECES OF CORRUGATED PAPER BOARD EACH HAVING A CORRUGATED FILLER SHEET AND AN OUTER SHEET AFFIXED TO EACH SIDE OF THE FILLERSHEET, WHICH JOINT IS FORMED SO THAT A FULL SECTION TAKEN THROUGH ANY PART OF THE JOINT WILL INCLUDE, ONE OF THE OUTER SHEETS OF THE FIRST BOARD AFFIXED TO ONE OF THE OUTER SHEETS OF THE SECOND BOARD, CORRUGATED FILLER SHEETS OF EACH BOARD AFFIXED
References Cited (Backward Citations)
US1207734A
Cited
US2813054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |