Patent US3109576A successfully refreshed from Google Patents.
US3109576A
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US
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Burst open containers
Assignee: United Shoe Machinery Corp
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Filing: 1962-12-17
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Granted: 1963-11-05
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Expires: 1982-12-17
Abstract
No abstract record available.
Inventors
- 👤 Clarence O Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:58
CPC Classifications
B; B65; B65D; B65D3/00; B65D3/22; B65D3/26; B65D3/261; B65D3/264; B65D3/265; Y; Y10; Y10S; Y10S206/00; Y10S206/83
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A BLANK OF SHEET MATERIAL FOR FORMING A CONTAINER FOR PRESSURIZED CONTENTS, SAID BLANK HAVING PRESCORED IN ONE SURFACE A LINE OF CLEAVAGE WEAKENED FOR BURSTING IN RESPONSE TO A PREDETERMINED PRESSURE APPLIED TO ITS OPPOSITE SURFACE, A FIRST PORTION ALONG SAID LINE HAVING A BURSTING RESISTANCE SUFFICIENT WITHOUT REINFORCEMENT TO WITHSTAND SAID PRESSURE, A SECOND PORTION OF SAID LINE EXTENDING AS A CONTINUATION OF THE FIRST PORTION AND HAVING A BURSTING RESISTANCE INSUFFICIENT WITHOUT REINFORCEMENT TO WITHSTAND SAID PRESSURE, AND A REINFORCING TAPE REMOVABLY SECURED TO THE PRESCORED SURFACE OF THE BLANK AND OVERLYING AT LEAST THE SECOND PORTION OF THE BURSTING LINE.
Claim 2
Dependent Claim
104 words
A BLANK OF SHEET MATERIAL FOR FORMING A CONTAINER FOR PRESSURIZED CONTENTS, SAID BLANK HAVING PRESCORED IN ONE SURFACE A LINE OF CLEAVAGE WEAKENED FOR BURSTING IN RESPONSE TO A PREDETERMINED PRESSURE APPLIED TO ITS OPPOSITE SURFACE, A FIRST PORTION ALONG SAID LINE HAVING A BURSTING RESISTANCE SUFFICIENT WITHOUT REINFORCEMENT TO WITHSTAND SAID PRESSURE, A SECOND PORTION OF SAID LINE EXTENDING AS A CONTINUATION OF THE FIRST PORTION AND HAVING A BURSTING RESISTANCE INSUFFICIENT WITHOUT REINFORCEMENT TO WITHSTAND SAID PRESSURE, AND A REINFORCING TAPE REMOVABLY SECURED TO THE PRESCORED SURFACE OF THE BLANK AND OVERLYING AT LEAST THE SECOND PORTION OF THE BURSTING LINE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |