US3221924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can opener
Assignee: Harvey Aluminum Inc
•
Filing: 1964-12-11
•
Granted: 1965-12-07
•
Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Leo M Harvey
- 👤 Ralph W Hilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:28
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/04; F16B5/045; B; B21; B21D; B21D39/00; B21D39/03; B21D39/031; B21D39/032; B21D51/00; B21D51/16; B21D51/38; B21D51/383; B65; B65D; B65D17/00; B65D17/28; B65D17/34; B65D17/401; B65D17/4012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A CAN AND OPENER FOR ESTABLISHING SPACED POURING AND VENT OPENINGS THEREIN, AND INCLUDING: (A) A CAN HAVING AN IMPERFORATE WALL WITH SPACED PREDETERMINED WEAKENED POURING AND VENT AREAS THEREON; (B) AND AN OPENER OVERLYING THE WALL AND COMPRISING A BODY OF HINGEDLY COUPLED SECTIONS EXTENDING OVER AND FASTENED TO EACH OF SAID PREDETERMINED AREAS RESPECTIVELY, WITH A LEVER SECTION FASTENED TO THE PORING AREA AND EXTENDING TO THE SAID VENT AREA, AND WITH A LEVER SECTION CONTINUING FROM THE FIRST MENTIONED LEVER SECTION AND FASTENED TO THE VENT AREA AND EXTENDED LATERALLY THEREFROM AND ADAPTED TO BE LIFTED FOR OPERATING THE OPENER TO SEQUENTIALLY SHEAR FROM THE WALL THE VENT AREA AND THEN LIFT THE FIRST MENTIONED LEVER TO SHEAR FROM THE WALL THE POURING AREA.
Claim 2
Dependent Claim
127 words
A CAN AND OPENER FOR ESTABLISHING SPACED POURING AND VENT OPENINGS THEREIN, AND INCLUDING: (A) A CAN HAVING AN IMPERFORATE WALL WITH SPACED PREDETERMINED WEAKENED POURING AND VENT AREAS THEREON; (B) AND AN OPENER OVERLYING THE WALL AND COMPRISING A BODY OF HINGEDLY COUPLED SECTIONS EXTENDING OVER AND FASTENED TO EACH OF SAID PREDETERMINED AREAS RESPECTIVELY, WITH A LEVER SECTION FASTENED TO THE PORING AREA AND EXTENDING TO THE SAID VENT AREA, AND WITH A LEVER SECTION CONTINUING FROM THE FIRST MENTIONED LEVER SECTION AND FASTENED TO THE VENT AREA AND EXTENDED LATERALLY THEREFROM AND ADAPTED TO BE LIFTED FOR OPERATING THE OPENER TO SEQUENTIALLY SHEAR FROM THE WALL THE VENT AREA AND THEN LIFT THE FIRST MENTIONED LEVER TO SHEAR FROM THE WALL THE POURING AREA.
References Cited (Backward Citations)
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |