US3286420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for isolating plaster and ceiling junctures
Assignee: Individual
•
Filing: 1963-06-17
•
Granted: 1966-11-22
•
Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Lewis Hiram Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:50
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04; E04F13/06; E04B; E04B2/00; E04B2/74; E04B2/82; E04B2/72; E04B2/723; E04B2002/725; E04F2013/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A MEANS FOR ISOLATING PLASTER WALL AND CEILING JUNCTURES THE COMBINATION OF: A BUILDING STRUCTURE COMPRISING UPRIGHT PARTITION WALLS AND A CEILING; STUDDING MEMBERS IN AND BETWEEN OPPOSITE SIDES OF SAID WALLS; A CHANNEL MEMBER DISPOSED AT SUBSTANTIALLY RIGHT ANGLES TO SAIDSTUDDING AND ENGAGING THE UPPER ENDS THEREOF; THREE SUBSTANTIALLY U-SHAPED CHANNEL PORTIONS OF SAID CHANNEL MEMBER BEING OPEN IN A DOWNWARD DIRECTION AND HAVING FOUR DOWNWARDLY EXTENDING FLANGES IN THE SAME DIRECTION; AND CEILING SUPPORTING STRUCTURE SUSPENDING SAID CHANNEL MEMBER ONE OF SAID CHANNEL PORTIONS BEING AN INTERMEDIATE CHANNEL DISPOSED BETWEEN THE OTHER TWO OF SAID THREE CHANNEL PORTIONS; A FIRST PAIR OF SAID FOUR FLANGES SPACED APART AND FORMING FIRST CHANNEL SIDES AND COMMON DIVIDERS BETWEEN SAID INTERMEDIATE CHANNEL PORTION AND SAID OTHER TWO CHANNEL PORTIONS; A SECOND PAIR OF SAID FOUR FLANGES FORMING SECOND SIDES FOR SAID OTHER TWO CHANNEL PORTIONS; SAID FIRST PAIR OF FLANGES DISPOSED AT OPPOSITE SIDES OF SAID STUDDING MEM-
Claim 2
Dependent Claim
158 words
IN A MEANS FOR ISOLATING PLASTER WALL AND CEILING JUNCTURES THE COMBINATION OF: A BUILDING STRUCTURE COMPRISING UPRIGHT PARTITION WALLS AND A CEILING; STUDDING MEMBERS IN AND BETWEEN OPPOSITE SIDES OF SAID WALLS; A CHANNEL MEMBER DISPOSED AT SUBSTANTIALLY RIGHT ANGLES TO SAIDSTUDDING AND ENGAGING THE UPPER ENDS THEREOF; THREE SUBSTANTIALLY U-SHAPED CHANNEL PORTIONS OF SAID CHANNEL MEMBER BEING OPEN IN A DOWNWARD DIRECTION AND HAVING FOUR DOWNWARDLY EXTENDING FLANGES IN THE SAME DIRECTION; AND CEILING SUPPORTING STRUCTURE SUSPENDING SAID CHANNEL MEMBER ONE OF SAID CHANNEL PORTIONS BEING AN INTERMEDIATE CHANNEL DISPOSED BETWEEN THE OTHER TWO OF SAID THREE CHANNEL PORTIONS; A FIRST PAIR OF SAID FOUR FLANGES SPACED APART AND FORMING FIRST CHANNEL SIDES AND COMMON DIVIDERS BETWEEN SAID INTERMEDIATE CHANNEL PORTION AND SAID OTHER TWO CHANNEL PORTIONS; A SECOND PAIR OF SAID FOUR FLANGES FORMING SECOND SIDES FOR SAID OTHER TWO CHANNEL PORTIONS; SAID FIRST PAIR OF FLANGES DISPOSED AT OPPOSITE SIDES OF SAID STUDDING MEM-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |