US3071286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can opener and sealer
Assignee: Individual
•
Filing: 1960-07-13
•
Granted: 1963-01-01
•
Expires: 1980-07-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Valvano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:58
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
A DEVICE ADAPTABLE FOR OPENING AND SEALING A CAN COMPRISING; AN ELONGATED LONGITUDIANALLY SLOTTED SUBSTANTIALLY INFLEXIBLE BODY ADAPTED TO BE PLACED DIAMETRICALLY ACROSS ONE END OF SAID CAN; A FIRST PUNCH MEMBER AFFIXED TO SAID BODY ADJACENT ONE END OF SAID BODY ADAPTABLE FOR PUNCHING A FIRST HOLE IN SAID CAN WHEREBY CONTENTS OF SAID CAN MAY BE DISCHARGED; A WEDGE SHAPED SECOND PUNCH MEMBER ADAPTABLE FOR PUNCHING A RECTANGULAR SHAPED SECOND HOLE IN SAID CAN, SAID SECOND PUNCH MEMBER HAVING AN INTEGRALLY FORMED CYLINDRICAL SHANK EXTENDING THEREFROM, THE UPPER SURFACES OF SAID WEDGE SHAPED SECOND PUNCH MEMBER BEING OF A TAPERED CONFIGURATION; MEANS OF SLIDEABLY AND RESILIENTLY SUPPORTING SAID SECOND PUNCH MEMBER TO SAID BODY WHEREIN SAID SHANK EXTENDS THROUGH SAID LONGITUDINAL SLOT IN SAID BODY; A KNOB AFFIXED TO SAID SHANK ADAPTABLE FOR DRIVING SAID SECOND PUNCH MEMBER THROUGH SAID CAN AND FOR ROTATABLY POSITIONING SAID SECOND PUNCH MEMBER WHEREBY THE UPPER SURFACES OF SAID WEDGE SHAPED PUNCH MEMBER ARE DISPOSED TO ENGAGE THE INNER SURFACE OF SAID CAN AFTER SECOND PUNCH HAS ENTERED SAID CAN TO SUPPORT SAID DEVICE TO SAID CAN AND WHEREBY SAID SECOND PUNCH MEMBER MAY BE ROTATED TO ALIGN SAID TAPERED UPPER SURFACES WITH THE SAID SECONDS HOLE FORMED
Claim 2
Independent Claim
206 words
A DEVICE ADAPTABLE FOR OPENING AND SEALING A CAN COMPRISING; AN ELONGATED LONGITUDIANALLY SLOTTED SUBSTANTIALLY INFLEXIBLE BODY ADAPTED TO BE PLACED DIAMETRICALLY ACROSS ONE END OF SAID CAN; A FIRST PUNCH MEMBER AFFIXED TO SAID BODY ADJACENT ONE END OF SAID BODY ADAPTABLE FOR PUNCHING A FIRST HOLE IN SAID CAN WHEREBY CONTENTS OF SAID CAN MAY BE DISCHARGED; A WEDGE SHAPED SECOND PUNCH MEMBER ADAPTABLE FOR PUNCHING A RECTANGULAR SHAPED SECOND HOLE IN SAID CAN, SAID SECOND PUNCH MEMBER HAVING AN INTEGRALLY FORMED CYLINDRICAL SHANK EXTENDING THEREFROM, THE UPPER SURFACES OF SAID WEDGE SHAPED SECOND PUNCH MEMBER BEING OF A TAPERED CONFIGURATION; MEANS OF SLIDEABLY AND RESILIENTLY SUPPORTING SAID SECOND PUNCH MEMBER TO SAID BODY WHEREIN SAID SHANK EXTENDS THROUGH SAID LONGITUDINAL SLOT IN SAID BODY; A KNOB AFFIXED TO SAID SHANK ADAPTABLE FOR DRIVING SAID SECOND PUNCH MEMBER THROUGH SAID CAN AND FOR ROTATABLY POSITIONING SAID SECOND PUNCH MEMBER WHEREBY THE UPPER SURFACES OF SAID WEDGE SHAPED PUNCH MEMBER ARE DISPOSED TO ENGAGE THE INNER SURFACE OF SAID CAN AFTER SECOND PUNCH HAS ENTERED SAID CAN TO SUPPORT SAID DEVICE TO SAID CAN AND WHEREBY SAID SECOND PUNCH MEMBER MAY BE ROTATED TO ALIGN SAID TAPERED UPPER SURFACES WITH THE SAID SECONDS HOLE FORMED
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |