US3273744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container opening devices
Assignee: Individual
•
Filing: 1964-03-02
•
Granted: 1966-09-20
•
Expires: 1984-03-02
Abstract
No abstract record available.
Inventors
- 👤 Ermal C Fraze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:21
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN THE STRUCTURE OF A CONTAINER WHEREIN A METAL WALL OF THE CONTAINER IS SCORED ALONG A LINE TO FORM A TEAR STRIP AND A HOLLOW RIVET IS FORMED IN THE TEAR STRIP IN OVERLAPPING ENGAGEMENT WITH A TAB FOR USE OF THE TAB AS A LEVER TO INITIATE SEVERANCE OF THE TEAR STRIP AT A PARTICULAR REGION NEAR ONE END OF TEAR STRIP, THE IMPROVEMENT COMPRISING: SAID RIVET BEING ELONGATED IN PLAN TOWARDS THE PARTICULAR REGION AND THE OVERHANGING METAL OF THE RIVET ALSO BEING DISPLACED LONGITUDINALLY TOWARDS THE PARTICU-
Claim 2
Dependent Claim
91 words
IN THE STRUCTURE OF A CONTAINER WHEREIN A METAL WALL OF THE CONTAINER IS SCORED ALONG A LINE TO FORM A TEAR STRIP AND A HOLLOW RIVET IS FORMED IN THE TEAR STRIP IN OVERLAPPING ENGAGEMENT WITH A TAB FOR USE OF THE TAB AS A LEVER TO INITIATE SEVERANCE OF THE TEAR STRIP AT A PARTICULAR REGION NEAR ONE END OF TEAR STRIP, THE IMPROVEMENT COMPRISING: SAID RIVET BEING ELONGATED IN PLAN TOWARDS THE PARTICULAR REGION AND THE OVERHANGING METAL OF THE RIVET ALSO BEING DISPLACED LONGITUDINALLY TOWARDS THE PARTICU-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |