US3350825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wallboard corner construction and method
Assignee: Individual
•
Filing: 1964-08-07
•
Granted: 1967-11-07
•
Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Nicholas J Rillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:37
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04; E04F13/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A WALLBOARD CORNER CONSTRUCTION COMPRISING THREE INTERSECTING WALLBOARD SURFACES, A PREFABRICATED TRIHEDRAL UNITARY CORNER PIECE OF THIN SHEET MATERIAL HAVING THE FREE EDGES THEREOF FEATHERED FITTING THE INTERSECTION OF SAID SURFACES AND ADHESIVELY SECURED THERETO, A SEALING TAPE ADHESIVELY SECURED ALONG AT LEAST ONE JOINT BETWEEN INTERSECTING WALLBOARD SURFACES, SAID TAPE EXTENDING OVER
Claim 2
Dependent Claim
53 words
A WALLBOARD CORNER CONSTRUCTION COMPRISING THREE INTERSECTING WALLBOARD SURFACES, A PREFABRICATED TRIHEDRAL UNITARY CORNER PIECE OF THIN SHEET MATERIAL HAVING THE FREE EDGES THEREOF FEATHERED FITTING THE INTERSECTION OF SAID SURFACES AND ADHESIVELY SECURED THERETO, A SEALING TAPE ADHESIVELY SECURED ALONG AT LEAST ONE JOINT BETWEEN INTERSECTING WALLBOARD SURFACES, SAID TAPE EXTENDING OVER
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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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |