Patent US3134494A successfully refreshed from Google Patents.
US3134494A
Expired / Lapsed
US
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Infant feeding device
Assignee: Individual
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Filing: 1962-08-20
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Granted: 1964-05-26
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Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Paul N Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:31
CPC Classifications
A; A61; A61J; A61J11/00; A61J11/001; A61J11/002; A61J9/00; A61J9/001; A61J9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN INFANT FEEDING DEVICE COMPRISING A CONTAINER HAVING A RIGID NECK PORTION, A FLEXIBLE LIQUID BAG WITHIN SAID CONTAINER RESPONSIVE TO ATMOSPHERIC PRESSURE TO REDUCE THE CUBIC CAPACITY THEREOF AS LIQUID IS WITHDRAWN THEREFROM, THE OPEN END OF SAID BAG BEING FOLDED OVER THE END OF SAID RIGID NECK PORTION, A RESILIENT NIPPLE HAVING A SUPPORTING PORTION ON ONE END THEREOF AND A RESTRICTED DISCHARGE APERTURE IN THE OTHER END THEREOF, SAID SUPPORTING PORTION BEING SUPPORTED ON AND SEALED TO THE END OF SAID NECK PORTION WITH THE FOLDED END OF THE BAG TIGHTLY COMPRESSED THEREBETWEEN, SAID NIPPLE HAVING AN INWARDLY PRESENTING ANNULAR GROOVE INTERMEDIATE THE ENDS THEREOF, A VALVE DISC REMOVABLY SEATED IN SAID GROOVE AND HAVING
Claim 2
Dependent Claim
118 words
AN INFANT FEEDING DEVICE COMPRISING A CONTAINER HAVING A RIGID NECK PORTION, A FLEXIBLE LIQUID BAG WITHIN SAID CONTAINER RESPONSIVE TO ATMOSPHERIC PRESSURE TO REDUCE THE CUBIC CAPACITY THEREOF AS LIQUID IS WITHDRAWN THEREFROM, THE OPEN END OF SAID BAG BEING FOLDED OVER THE END OF SAID RIGID NECK PORTION, A RESILIENT NIPPLE HAVING A SUPPORTING PORTION ON ONE END THEREOF AND A RESTRICTED DISCHARGE APERTURE IN THE OTHER END THEREOF, SAID SUPPORTING PORTION BEING SUPPORTED ON AND SEALED TO THE END OF SAID NECK PORTION WITH THE FOLDED END OF THE BAG TIGHTLY COMPRESSED THEREBETWEEN, SAID NIPPLE HAVING AN INWARDLY PRESENTING ANNULAR GROOVE INTERMEDIATE THE ENDS THEREOF, A VALVE DISC REMOVABLY SEATED IN SAID GROOVE AND HAVING
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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |