Patent EP0679800A2 successfully refreshed from Google Patents.
Patent US3249687A successfully refreshed from Google Patents.
US3203569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nipple valve
Assignee: DUNHILL INTERNATIONAL Inc
•
Filing: 1964-11-05
•
Granted: 1965-08-31
•
Expires: 1984-11-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Shomock
- 👤 Jr Herbert B Mette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:51
CPC Classifications
A; A61; A61J; A61J11/00; A61J11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A NIPPLE COMPRISING A GENERALLY TUBULAR BARRELL AND AN ANNULAR RADIALLY-EXTENDING FLANGE AFFIXED TO ONE END THEREOF, A FIRST PASSAGEWAY THROUGH SAID FLANGE, AND A SECOND PASSAGEWAY COMMUNICATING WITH SAID FIRST PASSAGEWAY, SAID SECOND PASSAGEWAY BEING AT LAST PARTIALLY ENCOMPASSED BY A VERTICALLY EXTENDING THIN-WALLED DEFORMABLE EXTENSION OF SAID FLANGE.
Claim 2
Dependent Claim
50 words
A NIPPLE COMPRISING A GENERALLY TUBULAR BARRELL AND AN ANNULAR RADIALLY-EXTENDING FLANGE AFFIXED TO ONE END THEREOF, A FIRST PASSAGEWAY THROUGH SAID FLANGE, AND A SECOND PASSAGEWAY COMMUNICATING WITH SAID FIRST PASSAGEWAY, SAID SECOND PASSAGEWAY BEING AT LAST PARTIALLY ENCOMPASSED BY A VERTICALLY EXTENDING THIN-WALLED DEFORMABLE EXTENSION OF SAID FLANGE.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |