Patent US2851741A successfully refreshed from Google Patents.
US2851741A
Expired / Lapsed
US
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Structure for reinforcement of building wall corners
Assignee: POWELL STEEL LATH Corp
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Filing: 1953-05-20
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Granted: 1958-09-16
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Expires: 1973-05-20
Abstract
No abstract record available.
Inventors
- 👤 John G Stemples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:55
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04; E04F13/06; E04F2013/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US201098A
Cited
US1290802A
Cited
US1804564A
Cited
CH156679A
Cited
GB437693A
Cited
US2090588A
Cited
US2643423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |