Patent JPS58107910A successfully refreshed from Google Patents.
US3334790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package for dispensing liquids
Assignee: Armstrong World Industries Inc
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Filing: 1966-05-17
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Granted: 1967-08-08
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Expires: 1986-05-17
Abstract
No abstract record available.
Inventors
- 👤 David W Eaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:00
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PACKAGE FOR DISPENSING DROPS OF LIQUIDS COMPRISING AN INNER POUCH HAVING A POROUS REGION IN THE WALLS THEREOF AND CONTAINING A PLURALITY OF PRESSURE-RUPTURABLE CAPSULES HAVING A SIZE RANGE OF ABOUT 25-3500 MICRONS AND CONTAINING THE LIQUID TO BE DISPENSED, AND FLEXIBLE OUTER SHEETS IMPERMEABLE TO SAID LIQUID PARTIALLY ENCLOSING SAID POUCH, SAID POUCH BEING MOUNTED BETWEEN SAID FLEXIBLE OUTER SHEETS, SAID POUCH AND SAID OUTER SHEETS
Claim 2
Dependent Claim
68 words
A PACKAGE FOR DISPENSING DROPS OF LIQUIDS COMPRISING AN INNER POUCH HAVING A POROUS REGION IN THE WALLS THEREOF AND CONTAINING A PLURALITY OF PRESSURE-RUPTURABLE CAPSULES HAVING A SIZE RANGE OF ABOUT 25-3500 MICRONS AND CONTAINING THE LIQUID TO BE DISPENSED, AND FLEXIBLE OUTER SHEETS IMPERMEABLE TO SAID LIQUID PARTIALLY ENCLOSING SAID POUCH, SAID POUCH BEING MOUNTED BETWEEN SAID FLEXIBLE OUTER SHEETS, SAID POUCH AND SAID OUTER SHEETS
References Cited (Backward Citations)
US2103389A
Cited
US2475241A
Cited
US2653120A
Cited
FR1248882A
Cited
US3224640A
Cited
US3196478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |