US3205750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for perforating paperboard
Assignee: JOHN STRANGE CARTON CO
•
Filing: 1962-09-17
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Granted: 1965-09-14
•
Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 William M Strange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:59
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/18; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9314; Y10T83/9411; Y10T83/9449
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A RULE FOR PERFORATING PAPERBOARD COMPRISING: (A) A STRIP MEMBER FORMED WITH A SERIES OF SPACED RECTANGULAR TEETH HAVING ALIGNED SHARPENED EDGES, (B) SAID STRIP MEMBER HAVING RECTANGULAR NOTCHES INTERMEDIATE SAID TEETH WHICH ARE ALSO PROVIDED WITH SHARPENED EDGES, SAID LAST-MENTIONED EDGES BEING DISPLACED SLIGHTLY LATERALLY FROM SAID FIRST-MENTIONED EDGES, (C) WHEREBY THE SHARPENED EDGES OF SAID TEETH IN USE WILL COMPLETELY PENETRATE A SECTION OF PAPERBOARD HAVING A GIVEN THICKNESS AND THE SHARPENED EDGES OF SAID NOTCHES WILL ONLY PARTIALLY PENETRATE THE SAME THICKNESS OF PAPERBOARD.
Claim 2
Dependent Claim
87 words
A RULE FOR PERFORATING PAPERBOARD COMPRISING: (A) A STRIP MEMBER FORMED WITH A SERIES OF SPACED RECTANGULAR TEETH HAVING ALIGNED SHARPENED EDGES, (B) SAID STRIP MEMBER HAVING RECTANGULAR NOTCHES INTERMEDIATE SAID TEETH WHICH ARE ALSO PROVIDED WITH SHARPENED EDGES, SAID LAST-MENTIONED EDGES BEING DISPLACED SLIGHTLY LATERALLY FROM SAID FIRST-MENTIONED EDGES, (C) WHEREBY THE SHARPENED EDGES OF SAID TEETH IN USE WILL COMPLETELY PENETRATE A SECTION OF PAPERBOARD HAVING A GIVEN THICKNESS AND THE SHARPENED EDGES OF SAID NOTCHES WILL ONLY PARTIALLY PENETRATE THE SAME THICKNESS OF PAPERBOARD.
References Cited (Backward Citations)
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US1579577A
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US2359198A
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US2608341A
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US2626096A
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US2956465A
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US3052146A
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |