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Patent US2675929A successfully refreshed from Google Patents.
US2675929A
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US
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Handling system for boardlike articles
Assignee: United States Gypsum Co
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Filing: 1946-06-28
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Granted: 1954-04-20
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Expires: 1966-06-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas T Youngfelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:43
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/08; B65G57/081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1749262A
Cited
US1869210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |