US3109207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner strip for wallboard construction
Assignee: Individual
•
Filing: 1960-11-30
•
Granted: 1963-11-05
•
Expires: 1980-11-30
Abstract
No abstract record available.
Inventors
- 👤 Jack A Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:31
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04; E04F13/06; E04F2013/063; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN COMBINATION WITH A PAIR OF VERTICAL DISPOSED WALLBOARD SHEETS IN ABUTMENT ALONG VERTICAL ENDS AND CONNECTED TOGETHER TO FORM A UNITARY CORNER HAVING AN EXPOSED EXTERIOR EDGE AT THE INTERSECTION OF THE PLANES OF THE OUTER FACES OF SAID SHEETS; A CORNER STRIP REINFORCING SAID EDGE COMPRISING: A FIRST ELONGATED RECTANGULAR WALLBOARD JOINING TAPE CEMENTED SUBSTANTIALLY OVER ITS ENTIRE INNER SURFACE LENGTHWISE ALONG SAID CORNER WITH THE CENTRAL PORTION OF SAID TAPE OVERLYING SAID EDGE AND WITH THE SIDE PORTIONS OF SAID TAPE THAT ARE ON OPPOSITE SIDES OF SAID CENTRAL PORTION IN COVERING RELATION RESPECTIVELY WITH THE ADJACENT MARGINS OF SAID CORNER, A LENGTH OF RIGID WIRE COEXTENSIVE IN LENGTH WITH SAID TAPE IN COVERING RELATION WITH SAID EXPOSED EDGE AND ON THE OUTER SIDE OF SAID FIRST ELONGATED TAPE FOR PROTECTING SAID EDGE AGAINST INJURY, A SECOND ELONGATED RECTANGULAR WALLBOARD JOINING TAPE OVERLYING AND SECURED TO SAID WIRE AND SAID FIRST TAPE AND CEMENTED TO SAID SHEETS.
Claim 2
Dependent Claim
160 words
IN COMBINATION WITH A PAIR OF VERTICAL DISPOSED WALLBOARD SHEETS IN ABUTMENT ALONG VERTICAL ENDS AND CONNECTED TOGETHER TO FORM A UNITARY CORNER HAVING AN EXPOSED EXTERIOR EDGE AT THE INTERSECTION OF THE PLANES OF THE OUTER FACES OF SAID SHEETS; A CORNER STRIP REINFORCING SAID EDGE COMPRISING: A FIRST ELONGATED RECTANGULAR WALLBOARD JOINING TAPE CEMENTED SUBSTANTIALLY OVER ITS ENTIRE INNER SURFACE LENGTHWISE ALONG SAID CORNER WITH THE CENTRAL PORTION OF SAID TAPE OVERLYING SAID EDGE AND WITH THE SIDE PORTIONS OF SAID TAPE THAT ARE ON OPPOSITE SIDES OF SAID CENTRAL PORTION IN COVERING RELATION RESPECTIVELY WITH THE ADJACENT MARGINS OF SAID CORNER, A LENGTH OF RIGID WIRE COEXTENSIVE IN LENGTH WITH SAID TAPE IN COVERING RELATION WITH SAID EXPOSED EDGE AND ON THE OUTER SIDE OF SAID FIRST ELONGATED TAPE FOR PROTECTING SAID EDGE AGAINST INJURY, A SECOND ELONGATED RECTANGULAR WALLBOARD JOINING TAPE OVERLYING AND SECURED TO SAID WIRE AND SAID FIRST TAPE AND CEMENTED TO SAID SHEETS.
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |