Patent US3298100A successfully refreshed from Google Patents.
US3298100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforating device for deflating a can
Assignee: Individual
•
Filing: 1965-03-09
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Granted: 1967-01-17
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Expires: 1985-03-09
Abstract
No abstract record available.
Inventors
- 👤 William B Walker
- 👤 Patrick J Harkin
- 👤 Joseph A Cooke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:53
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/24; B23; B23D; B23D27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PUNCTURING DEVICE COMPRISING: AN ELONGATED HOLLOW MEMBER OPEN AT ONE END AND COMPRISING A SOLID CONTINUOUS WALL THEREOF, CLOSURE MEANS CLOSING THE OTHER END OF SAID HOLLOW MEMBER, PUNCTURING MEANS SECURED TO SAID CLOSURE MEANS AND EXTENDING WITHIN THE INTERIOR OF SAID HOLLOW MEMBER, AND A CONTINUOUS LIP PORTION ON THE INTERIOR WALL OF SAID HOLLOW MEMBER AND INTERMEDIATE THE ENDS THEREOF, SAID LIP PORTION EXTENDING WITHIN THE INTERIOR OF SAID HOLLOW MEMBER FOR USE AS A CONTROL SURFACE.
Claim 2
Dependent Claim
80 words
A PUNCTURING DEVICE COMPRISING: AN ELONGATED HOLLOW MEMBER OPEN AT ONE END AND COMPRISING A SOLID CONTINUOUS WALL THEREOF, CLOSURE MEANS CLOSING THE OTHER END OF SAID HOLLOW MEMBER, PUNCTURING MEANS SECURED TO SAID CLOSURE MEANS AND EXTENDING WITHIN THE INTERIOR OF SAID HOLLOW MEMBER, AND A CONTINUOUS LIP PORTION ON THE INTERIOR WALL OF SAID HOLLOW MEMBER AND INTERMEDIATE THE ENDS THEREOF, SAID LIP PORTION EXTENDING WITHIN THE INTERIOR OF SAID HOLLOW MEMBER FOR USE AS A CONTROL SURFACE.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |