Patent US2959896A successfully refreshed from Google Patents.
US2959896A
Expired / Lapsed
US
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Lathing corner clips
Assignee: National Gypsum Co
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Filing: 1958-08-15
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Granted: 1960-11-15
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Expires: 1978-08-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Schneller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:55
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7453; E04B2/7457; E04B2/76; E04B2/78; E04B2/72; E04B2/723; E04B2002/725; E04B2002/726
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |