US3255648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Severance line construction for cartons and the like
Assignee: Fort James Corp
•
Filing: 1965-03-12
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Granted: 1966-06-14
•
Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth T Buttery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:33
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/54; B65D5/5405; B65D5/542; B26; B26F; B26F1/00; B26F1/18; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0207; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/8834; Y10T83/929; Y10T83/9411; Y10T83/9449
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A CUTTING TOOL FOR PROVIDING A SEVERANCE LINE IN A PAPERBOARD SHEET WHICH COMPRISES A PRIMARY BLADE HAVING A PLURALITY OF ELONGATED, SPACED-APART, ALIGNED CUTTING EDGES AND A SECONDARY BLADE HAVING A PLURALITY OF ELONGATED, SPACED-APART, ALIGNED CUTTING EDGES POSITIONED IN SIDE-BY-SIDE ENGAGEMENT WITH SAID PRIMARY BLADE, THE CUTTING EDGES OF SAID PRIMARY BLADE BEING IN LATERAL REGISTRY WITH THE INTERSTICES OF SAID SECONDARY BLADE, THE CUTTING EDGES OF SAID SECONDARY BLADE BEING IN LATERAL REGISTRY WITH THE INTERSTICES OF SAID PRIMARY BLADE, AND THE CUTTING EDGES OF SAID SECONDARY BLADE BEING RECESSED BELOW THE CUTTING EDGES OF SAID PRIMARY BLADE, AND MEANS SUPPORTING AND SECURING SAID PRIMARY AND SECONDARY BLADES IN POSITION.
Claim 2
Dependent Claim
113 words
A CUTTING TOOL FOR PROVIDING A SEVERANCE LINE IN A PAPERBOARD SHEET WHICH COMPRISES A PRIMARY BLADE HAVING A PLURALITY OF ELONGATED, SPACED-APART, ALIGNED CUTTING EDGES AND A SECONDARY BLADE HAVING A PLURALITY OF ELONGATED, SPACED-APART, ALIGNED CUTTING EDGES POSITIONED IN SIDE-BY-SIDE ENGAGEMENT WITH SAID PRIMARY BLADE, THE CUTTING EDGES OF SAID PRIMARY BLADE BEING IN LATERAL REGISTRY WITH THE INTERSTICES OF SAID SECONDARY BLADE, THE CUTTING EDGES OF SAID SECONDARY BLADE BEING IN LATERAL REGISTRY WITH THE INTERSTICES OF SAID PRIMARY BLADE, AND THE CUTTING EDGES OF SAID SECONDARY BLADE BEING RECESSED BELOW THE CUTTING EDGES OF SAID PRIMARY BLADE, AND MEANS SUPPORTING AND SECURING SAID PRIMARY AND SECONDARY BLADES IN POSITION.
References Cited (Backward Citations)
US526347A
Cited
US1771760A
Cited
US2165394A
Cited
US2257336A
Cited
DE820997C
Cited
US2851933A
Cited
US2814344A
Cited
US3205750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |