Patent US2991344A successfully refreshed from Google Patents.
Patent US3277764A successfully refreshed from Google Patents.
US3277764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for working corrugated board or the like
Assignee: Individual
•
Filing: 1964-09-09
•
Granted: 1966-10-11
•
Expires: 1984-09-09
Abstract
No abstract record available.
Inventors
- 👤 Edward V Hene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:55
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/44; B26F1/40; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9411
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A CUTTING BLADE FOR APPARATUS FOR CUTTING OR BLANKING SHEET MATERIAL COMPRISING AN ELONGATED FLAT BAR HAVING A SHANK PORTION AND A V-SHAPED EDGE DEFORMED TO PROVIDE A PLURALITY OF NOTCHES AND ARCED PROTRUSIONS ON EACH SIDE FORMING A CORRUGATED-LIKE EDGE WHICH WHEN GROUND AT AN ANGLE TO THE PLANE OF THE SHANK PORTION DEFINES A CUTTING ANGLE CHARACTERIZED BY A PLURALITY OF SIDE BY SIDE TEETH, EACH TOOTH HAVING AN ARCUATE SCALLOP-LIKE CUTTING EDGE PORTION TERMINATING AT OPPOSITE ENDS IN A SHARP POINT, EACH TOOTH HAVING A FIRST FLAT TAPERED SIDE FACE PORTION ON ONE SIDE AND AN INDENTURE IN THE OPPOSITE SIDE HAVING A TAPERED SIDE FACE PORTION SMALLER IN DEPTH THAN SAID FIRST SIDE FACE PORTION, ALTERNATE TEETH HAVING THE INDENTURE IN ONE SIDE FACE AND THE TEETH BETWEEN ALTERNATE TEETH HAVING THE INDENTURE IN THE OPPOSITE SIDE FACE, WHEREBY THE CUTTING EDGES HAS SERPENTINE TRACE IN PLAN.
Claim 2
Dependent Claim
151 words
A CUTTING BLADE FOR APPARATUS FOR CUTTING OR BLANKING SHEET MATERIAL COMPRISING AN ELONGATED FLAT BAR HAVING A SHANK PORTION AND A V-SHAPED EDGE DEFORMED TO PROVIDE A PLURALITY OF NOTCHES AND ARCED PROTRUSIONS ON EACH SIDE FORMING A CORRUGATED-LIKE EDGE WHICH WHEN GROUND AT AN ANGLE TO THE PLANE OF THE SHANK PORTION DEFINES A CUTTING ANGLE CHARACTERIZED BY A PLURALITY OF SIDE BY SIDE TEETH, EACH TOOTH HAVING AN ARCUATE SCALLOP-LIKE CUTTING EDGE PORTION TERMINATING AT OPPOSITE ENDS IN A SHARP POINT, EACH TOOTH HAVING A FIRST FLAT TAPERED SIDE FACE PORTION ON ONE SIDE AND AN INDENTURE IN THE OPPOSITE SIDE HAVING A TAPERED SIDE FACE PORTION SMALLER IN DEPTH THAN SAID FIRST SIDE FACE PORTION, ALTERNATE TEETH HAVING THE INDENTURE IN ONE SIDE FACE AND THE TEETH BETWEEN ALTERNATE TEETH HAVING THE INDENTURE IN THE OPPOSITE SIDE FACE, WHEREBY THE CUTTING EDGES HAS SERPENTINE TRACE IN PLAN.
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |