Patent US3380194A successfully refreshed from Google Patents.
US3380194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expander
Assignee: SENSON ALL IND Inc
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Filing: 1966-05-23
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Granted: 1968-04-30
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Alexander J Biro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:22
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN EXPANDER FOR A CLOSURE HAVING PERIMETRAL ENDS FORMING A PLURALITY OF CORNERS CONSISTING OF AN OUTWARDLY OPEN CHANNEL HAVING ITS WEB SECURED TO THE PERIMETRAL END OF THE CLOSURE TO BE EXTENDED, SAID CHANNEL EXTENDING FOR SUBSTANTIALLY THE FULL LENGTH OF SAID END, A SECOND CHANNEL OF SUBSTANTIALLY THE SAME LENGTH AS THE FIRST AND HAVING ITS SIDE FLANGES SLIDABLY FITTING IN TELESCOPIC RELATION THE SIDE FLANGES OF SAID FIRST CHANNEL, COVER PLATES ADJUSTABLY SECURED TO THE CLOSURE ADJACENT ITS CORNERS AND EXTENDED OVER THE RESPECTIVE ENDS OF SAID CHANNELS TO SUBSTANTIALLY CLOSE THE SAME, AND INTERLOCKING MEANS BETWEEN EACH OF SAID COVERS AND THE ENDS OF SAID SECOND CHANNEL TO SUPPORT THE LATTER IN ITS TELESCOPED POSITION.
Claim 2
Dependent Claim
119 words
AN EXPANDER FOR A CLOSURE HAVING PERIMETRAL ENDS FORMING A PLURALITY OF CORNERS CONSISTING OF AN OUTWARDLY OPEN CHANNEL HAVING ITS WEB SECURED TO THE PERIMETRAL END OF THE CLOSURE TO BE EXTENDED, SAID CHANNEL EXTENDING FOR SUBSTANTIALLY THE FULL LENGTH OF SAID END, A SECOND CHANNEL OF SUBSTANTIALLY THE SAME LENGTH AS THE FIRST AND HAVING ITS SIDE FLANGES SLIDABLY FITTING IN TELESCOPIC RELATION THE SIDE FLANGES OF SAID FIRST CHANNEL, COVER PLATES ADJUSTABLY SECURED TO THE CLOSURE ADJACENT ITS CORNERS AND EXTENDED OVER THE RESPECTIVE ENDS OF SAID CHANNELS TO SUBSTANTIALLY CLOSE THE SAME, AND INTERLOCKING MEANS BETWEEN EACH OF SAID COVERS AND THE ENDS OF SAID SECOND CHANNEL TO SUPPORT THE LATTER IN ITS TELESCOPED POSITION.
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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |