US3077904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hose plug
Assignee: MILLGARD Corp A CORP OF MICH
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Filing: 1961-05-29
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Granted: 1963-02-19
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Rusche Fredric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:41
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/11; F16L55/1141; Y; Y10; Y10S; Y10S220/00; Y10S220/19
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A CLOSURE PLUG FOR A FLAT COLLAPSIBLE HOSE WHICH COMPRISES AN INNER TUBE OF STRETCHABLE ELASTIC MATERIAL SURROUNDED BY A FABRIC REINFORCING SLEEVE, SAID HOSE ASSUMING, A ROUND CROSS-SECTIONAL SHAPE WHEN SUBJECTED TO INTERNAL FLUID PRESSURE, SAID PLUG COMPRISING A GENERALLY FLAT UNITARY BODY OF STRETCHABLE ELASTIC MATERIAL HAVING AN OUTER SURFACE ADAPTED FOR CLOSE ENGAGEMENT AGAINST THE INNER SURFACE OF SAID TUBE, AN OUTER END PORTION ADAPTED TO BE DISPOSED TOWARDS AN END OF THE HOSE, AND AN INNER END PORTION ADAPTED TO PROJECT INWARDLY FROM SAID HOSE END, SAID OUTER END PORTION BEING SOLID, SAID INNER END PORTION HAVING AN OPEN-ENDED CAVITY EXTENDING LENGTHWISE THEREIN FROM THE INNER END OF THE PLUG TO THE OUTER END
References Cited (Backward Citations)
US2072518A
Cited
US2145705A
Cited
US2276443A
Cited
US2536431A
Cited
US2644978A
Cited
US2733060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |