US3358883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piercing and venting means for cans
Assignee: WESTERN FLUIDICS Inc A CORP OF
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Filing: 1966-03-21
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Granted: 1967-12-19
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Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Wallace D Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:14
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/24; B67B7/26; B67B7/28; B67D; B67D3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN APPARATUS OF THE CHARACTER DESCRIBED WHEREIN AN UNSEALED CAN IS PLACED IN A HOLDER AND PRESSED AGAINST PUNCTURING MEANS TO PUNCTURE ONE END OF SAID CAM, THE IMPROVEMENT WHICH RESIDES IN PROVIDING SAID PUNCTURING MEANS WITH TWO SEPARATE CHANNELS, ONE OF WHICH IS IN COMMUNICATION WITH A FLUID FLOW PASSAGEWAY AND THE OTHER ONE OF WHICH IS IN AN AIR VENT PASSAGEWAY, EACH OF SAID PASSAGEWAY BEING FORMED IN SAID HOLDER, SAID PUNCTURING MEANS COMPRISING A POINTER POST THREADED IN SAID HOLDER AND HAVING TWO DIAMETRICALLY AND OPPOSITELY EXTENDING OPENINGS NEAR THE POINTER END OF SAID POST.
Claim 2
Dependent Claim
98 words
IN APPARATUS OF THE CHARACTER DESCRIBED WHEREIN AN UNSEALED CAN IS PLACED IN A HOLDER AND PRESSED AGAINST PUNCTURING MEANS TO PUNCTURE ONE END OF SAID CAM, THE IMPROVEMENT WHICH RESIDES IN PROVIDING SAID PUNCTURING MEANS WITH TWO SEPARATE CHANNELS, ONE OF WHICH IS IN COMMUNICATION WITH A FLUID FLOW PASSAGEWAY AND THE OTHER ONE OF WHICH IS IN AN AIR VENT PASSAGEWAY, EACH OF SAID PASSAGEWAY BEING FORMED IN SAID HOLDER, SAID PUNCTURING MEANS COMPRISING A POINTER POST THREADED IN SAID HOLDER AND HAVING TWO DIAMETRICALLY AND OPPOSITELY EXTENDING OPENINGS NEAR THE POINTER END OF SAID POST.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |