Patent US3219427A successfully refreshed from Google Patents.
US3219427A
Expired / Lapsed
US
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Bubblers
Assignee: Corning Glass Works
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Filing: 1962-07-02
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Granted: 1965-11-23
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jerome B Hymowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:08
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/18; C03B5/193
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
IMPROVED BUBBLING APPARATUS FOR FORMING LARGESIZED BUBBLES IN A FLUID BATH WHILE INHIBITING THE INGRESS OF SUCH FLUID BATH INTO THE BUBBLING APPARATUS COMPRISING, A HOLLOW BUBBLING MEMBER, PASSAGE MEANS WITHIN SAID
Claim 2
Dependent Claim
32 words
IMPROVED BUBBLING APPARATUS FOR FORMING LARGESIZED BUBBLES IN A FLUID BATH WHILE INHIBITING THE INGRESS OF SUCH FLUID BATH INTO THE BUBBLING APPARATUS COMPRISING, A HOLLOW BUBBLING MEMBER, PASSAGE MEANS WITHIN SAID
References Cited (Backward Citations)
US430095A
Cited
US555411A
Cited
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Cited
US1995108A
Cited
US2521397A
Cited
US2841372A
Cited
US2890548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |