US2997416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for repairing wallboard or the like
Assignee: Individual
•
Filing: 1958-03-14
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Granted: 1961-08-22
•
Expires: 1978-03-14
Abstract
No abstract record available.
Inventors
- 👤 Van Wyke H Helton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:57
CPC Classifications
E; E04; E04G; E04G23/00; E04G23/02; E04G23/0203; E04G23/0207; Y; Y10; Y10T; Y10T428/00; Y10T428/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
128 words
A METHOD OF REPAIRING A DAMAGED AREA IN WALLBOARD, COMPRISING THE STEPS OF: CUTTING OUT A SECTION OF WALLBOARD INCLUDING THE DAMAGED AREA LEAVING A HOLE THEREIN, INSERTING A BACKING PLATE THROUGH THE HOLE OF SUFFICIENT SIZE TO PREVENT ITS WITHDRAWAL THROUGH THE HOLE WHEN POSITIONED IN A PREDETERMINED MANNER ON THE BACK SIDE OF THE WALLBOARD WITH RESPECT TO THE HOLE, INSERTING A REPAIR PATCH OF WALLBOARD MATERIAL IN THE HOLE, DRAWING THE FRONT SURFACE OF THE PATCH INTO FLUSH RELATIONSHIP WITH RESPECT TO THE ADJACENT PORTIONS OF WALLBOARD BOUNDING THE HOLE ON THE FRONT SIDE THEREOF, AND PLASTERING BETWEEN THE PATCH AND THE PORTIONS OF WALLBOARD BOUNDING THE HOLE ON THE FRONT SIDE THEREOF WHILE MAINTAINING THE FRONT SURFACE OF THE PATCH IN FLUSH RELATIONSHIP THEREWITH.
References Cited (Backward Citations)
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Cited
US2336704A
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US2512469A
Cited
US2598194A
Cited
US2638774A
Cited
US2675837A
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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) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |