Patent US3122976A successfully refreshed from Google Patents.
US3122976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugated cartons having crush-relieved flaps
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:38
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/4266; B31; B31B; B31B50/00; B31B50/14; B31B50/20; B31B50/22; B31B50/25; B31B50/254
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A CRUSHING, SCORE AND TRIMMING MACHINE FOR TRIPLEWALL CORRUGATED BOARD COMPRISING A PAIR OF MOTOR DRIVEN SHAFTS IN SPACED PARALLEL RELATION, TWO SETS OF TRIMMING ROLLS MOUNTED ON SAID SHAFTS AT SPACED POSITIONS TO TRIM THE EDGES OF BOARD PASSING THROUGH SAID MACHINE, AND TWO SETS OF COMBINED SCORE-CRUSH ROLLS INTERPOSED BETWEEN SAID TRIMMING ROLLS ON SAID SHAFTS, EACH OF SAID SETS OF SCORE-CRUSH ROLLS INCLUDING A FIRST CYLINDRICAL ROLL HAVING A SUBSTANTIALLY CONTINUOUS OUTER SURFACE OF SUBSTANTIALLY CONSTANT DIAMETER, SAID FIRST ROLL BEING ADAPTED FOR SUPPORTING BOARD BEING CRUSHED AND SCORED, AND A SECOND CYLINDRICAL ROLL HAVING A SUBSTANTIALLY CONTINUOUS OUTER SURFACE OF SUBSTANTIALLY CONSTANT DIAMETER SPACED APART FROM THE OUTER SURFACE OF SAID FIRST ROLL AT A DISTANCE LESS THAN THE THICKNESS OF SAID BOARD AND ADAPTED TO
Claim 2
Dependent Claim
130 words
A CRUSHING, SCORE AND TRIMMING MACHINE FOR TRIPLEWALL CORRUGATED BOARD COMPRISING A PAIR OF MOTOR DRIVEN SHAFTS IN SPACED PARALLEL RELATION, TWO SETS OF TRIMMING ROLLS MOUNTED ON SAID SHAFTS AT SPACED POSITIONS TO TRIM THE EDGES OF BOARD PASSING THROUGH SAID MACHINE, AND TWO SETS OF COMBINED SCORE-CRUSH ROLLS INTERPOSED BETWEEN SAID TRIMMING ROLLS ON SAID SHAFTS, EACH OF SAID SETS OF SCORE-CRUSH ROLLS INCLUDING A FIRST CYLINDRICAL ROLL HAVING A SUBSTANTIALLY CONTINUOUS OUTER SURFACE OF SUBSTANTIALLY CONSTANT DIAMETER, SAID FIRST ROLL BEING ADAPTED FOR SUPPORTING BOARD BEING CRUSHED AND SCORED, AND A SECOND CYLINDRICAL ROLL HAVING A SUBSTANTIALLY CONTINUOUS OUTER SURFACE OF SUBSTANTIALLY CONSTANT DIAMETER SPACED APART FROM THE OUTER SURFACE OF SAID FIRST ROLL AT A DISTANCE LESS THAN THE THICKNESS OF SAID BOARD AND ADAPTED TO
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |