Patent US3339716A successfully refreshed from Google Patents.
US3339716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging of liquids
Assignee: EM Cromwell and Co Ltd
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Filing: 1965-08-19
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Granted: 1967-09-05
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Expires: 1985-08-19
Abstract
No abstract record available.
Inventors
- 👤 Taylor Neil James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:16
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3261; B65D81/3266
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A MULTIPLE COMPARTMENT SACHET COMPRISING A SEALED ELONGATED ENVELOPE OF THERMOPLASTIC FILM HAVING SIDE AND END EDGES HAVING A FIRST PORTION THEREOF FOLDED OVER AT LEAST A PART OF THE REMAINING PORTION ALONG A TRANSVERSE LINE SO AS TO DEFINE TWO INDIVIDUAL COMPARTMENTS EACH CONTAINING A LIQUID AND WELDS LOCATED INWARDLY OF THE SIDE EDGES OF THE ENVELOPE IN THE AREA OF THE TRANSVERSE LINE FORMING A RELATIVELY NARROW NECK PORTION PROVIDING LIQUID COMMUNICATION BETWEEN THE COMPARTMENTS WHEN THE THERMOPLASTIC FILM BETWEEN THE WELDS AND SIDE EDGES OF THE ENVELOPE IS REMOVED SO THAT SUCH LIQUIDS ARE MIXED.
Claim 2
Dependent Claim
98 words
A MULTIPLE COMPARTMENT SACHET COMPRISING A SEALED ELONGATED ENVELOPE OF THERMOPLASTIC FILM HAVING SIDE AND END EDGES HAVING A FIRST PORTION THEREOF FOLDED OVER AT LEAST A PART OF THE REMAINING PORTION ALONG A TRANSVERSE LINE SO AS TO DEFINE TWO INDIVIDUAL COMPARTMENTS EACH CONTAINING A LIQUID AND WELDS LOCATED INWARDLY OF THE SIDE EDGES OF THE ENVELOPE IN THE AREA OF THE TRANSVERSE LINE FORMING A RELATIVELY NARROW NECK PORTION PROVIDING LIQUID COMMUNICATION BETWEEN THE COMPARTMENTS WHEN THE THERMOPLASTIC FILM BETWEEN THE WELDS AND SIDE EDGES OF THE ENVELOPE IS REMOVED SO THAT SUCH LIQUIDS ARE MIXED.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |