US3299449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton opening tool with slidable cutting means
Assignee: Swingline Inc
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Filing: 1964-07-31
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Granted: 1967-01-24
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Expires: 1984-07-31
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel M Olney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:37
CPC Classifications
B; B25; B25C; B25C11/00; B25C11/02; B25F; B25F1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A CARTON OPENING DEVICE COMPRISING A PAIR OF INWARDLY AND PIVOTALLY MOVABLE CONNECTED JAWS EACH HAVING A SUPPORT PORTION AND A PAIR OF SPACED PRONG MEMBERS CONNECTED THERETO, A LONGITUDINALLY EXTENDING HANDLE MEMBER CONNECTED TO EACH OF SAID JAWS, SPRING MEANS BETWEEN SAID JAWS NORMALLY BIASING THEM OUTWARDLY, LOCKING MEANS UPON SAID HANDLE MEMBERS ADAPTED TO HOLD THEM IN CLOSED POSITION, A SLIDEWAY CARRIED BY THE SUPPORT PORTION OF ONE OF SAID JAWS AT THE FRONT THEREOF, A SLIDABLY MOVABLE CARRIER MEMBER WITHIN SAID SLIDEWAY, A BLADE CONNECTED TO SAID CARRIER, AND MEANS OPERATIVELY CONNECTED TO SAID CARRIER AND SAID SUPPORT PORTION ADAPTED TO MAINTAIN SAID CARRIER IN SELECTED FIXED POSITIONS SO THAT SAID BLADE MEMBER MAY BE EXTENDED OR RETRACTED, SAID MEANS COMPRISING A MOVABLE ACTUATOR CONNECTED TO SAID CARRIER, AND RELEASABLE DETENT MEANS UPON SAID SUPPORT PORTION ADAPTED TO HOLD SAID ACTUATOR IN FIXED POSITIONS.
Claim 2
Dependent Claim
147 words
A CARTON OPENING DEVICE COMPRISING A PAIR OF INWARDLY AND PIVOTALLY MOVABLE CONNECTED JAWS EACH HAVING A SUPPORT PORTION AND A PAIR OF SPACED PRONG MEMBERS CONNECTED THERETO, A LONGITUDINALLY EXTENDING HANDLE MEMBER CONNECTED TO EACH OF SAID JAWS, SPRING MEANS BETWEEN SAID JAWS NORMALLY BIASING THEM OUTWARDLY, LOCKING MEANS UPON SAID HANDLE MEMBERS ADAPTED TO HOLD THEM IN CLOSED POSITION, A SLIDEWAY CARRIED BY THE SUPPORT PORTION OF ONE OF SAID JAWS AT THE FRONT THEREOF, A SLIDABLY MOVABLE CARRIER MEMBER WITHIN SAID SLIDEWAY, A BLADE CONNECTED TO SAID CARRIER, AND MEANS OPERATIVELY CONNECTED TO SAID CARRIER AND SAID SUPPORT PORTION ADAPTED TO MAINTAIN SAID CARRIER IN SELECTED FIXED POSITIONS SO THAT SAID BLADE MEMBER MAY BE EXTENDED OR RETRACTED, SAID MEANS COMPRISING A MOVABLE ACTUATOR CONNECTED TO SAID CARRIER, AND RELEASABLE DETENT MEANS UPON SAID SUPPORT PORTION ADAPTED TO HOLD SAID ACTUATOR IN FIXED POSITIONS.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |