Patent US3270874A successfully refreshed from Google Patents.
US3270874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polystyrene multi-closure strip scored for separation into individual closures
Assignee: Kwik Lok Corp
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Filing: 1965-08-27
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Granted: 1966-09-06
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Frank E Hilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:37
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/1616; B65D33/1625; Y; Y10; Y10T; Y10T24/00; Y10T24/15; Y10T24/155
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
185 words
IN A MULTI-CLOSURE STRIP, WHEREIN THE CLOSURES EACH HAS A BAG-NECK-CONFINING MOUTH AND A NARROW OPENING LOCATED IN A LONGITUDINAL SIDE EDGE THEREOF AND COMMUNICATING WITH SAID MOUTH FOR ADMITTING A BAG-NECK THEREIN, SAID MOUTHS AND OPENINGS BEING SYMMETRICAL WITH RESPECT TO SAID TRANSVERSE AXES ACROSS SAID STRIP, THE STRUCTURE COMPRISING: A PLURALITY OF CLOSURES OF .035 INCH THICK POLYSTYRENE MATERIAL ARRANGED IN SIDE-BY-SIDE RELATION IN SAID STRIP, THE OPPOSITE EDGES OF SAID STRIP BEING DIE CUT TO FORM NOTCHES THEREIN, SAID NOTCHES BEING ARRANGED SYMMETRICALLY RELATIVE TO SECOND TRANSVERSE AXES WHICH ARE EQUALLY SPACED FROM SAID FIRST TRANSVERSE AXES AND PARALLEL THERETO, SAID SECOND TRANSVERSE AXES DEFINING THE SIDES OF ADJACENT CLOSURES, SAID STRIP BEING SCORED TO A DEPTH OF BETWEEN .008 AND .010 INCH ON THE OPPOSITE SURFACES THEREOF ALONG EACH OF SAID SECOND TRANSVERSE AXES WITH A SINGLE, CONTINUOUS SCORE EXTENDING EDGE-TO-EDGE TO MAKE SAID STRIP FRANGIBLE ALONG SAID SECOND TRANSVERSE AXES, SAID SCORES AN EACH SAID SECOND AXES BEING IN REGISTER, THEREBY TO PERMIT INDIVIDUAL CLOSURES TO BE SEPARATED FROM SAID STRIP BY BENDING SAID STRIP ALONG SAID SECOND TRANSVERSE AXES.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |