US3255649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Severance line construction for cartons and the like
Assignee: Fort James Corp
•
Filing: 1965-03-12
•
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
2026-10-27 17:54
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/18; B65; B65D; B65D5/00; B65D5/42; B65D5/54; B65D5/5405; B65D5/542; B26F1/38; B26F1/40; 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
97 words
A CUTTING TOOL FOR PROVIDING A SERVERANCE 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 SINGLE CONTINUOUS CUTTING EDGE POSITIONED IN SIDE-BY-SIDE ENGAGEMENT WITH SAID PRIMARY BLADE, THE CUTTING EDGE OF SAID SECONDARY BLADE BEING RECESSED BELOW THE CUTTING EDGES OF SAID PRIMARY BLADE BUT EXTENDING ABOVE THE BOTTOM OF THE SPACES INTERMEDIATE THE CUTTING EDGES OF SAID PRIMARY BLADE, AND MEANS SECURING SAID PRIMARY AND SECONDARY BLADES IN FIXED RELATIONSHIP TO EACH OTHER AND SUPPORTING SAID BLADES IN POSITION.
Claim 2
Dependent Claim
97 words
A CUTTING TOOL FOR PROVIDING A SERVERANCE 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 SINGLE CONTINUOUS CUTTING EDGE POSITIONED IN SIDE-BY-SIDE ENGAGEMENT WITH SAID PRIMARY BLADE, THE CUTTING EDGE OF SAID SECONDARY BLADE BEING RECESSED BELOW THE CUTTING EDGES OF SAID PRIMARY BLADE BUT EXTENDING ABOVE THE BOTTOM OF THE SPACES INTERMEDIATE THE CUTTING EDGES OF SAID PRIMARY BLADE, AND MEANS SECURING SAID PRIMARY AND SECONDARY BLADES IN FIXED RELATIONSHIP TO EACH OTHER AND SUPPORTING SAID BLADES IN POSITION.
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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) | 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 |