US2793090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded plastic on sheet metal desk top
Assignee: Unisys Corp
•
Filing: 1955-09-13
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Granted: 1957-05-21
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Expires: 1975-09-13
Abstract
No abstract record available.
Inventors
- 👤 Carl F Wolters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:11
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0039; A; A47; A47B; A47B13/00; A47B13/08; A47B13/086; A47B17/00; B29C; B29C37/00; B29C37/0078; B29C37/0082; B29C37/0085; B29C45/00; B29C45/14; B29C45/14311; B29K; B29K2705/00; B29L; B29L2031/00; B29L2031/44; B29L2031/441; B29L2031/448
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1916435A
Cited
US1954449A
Cited
US2186530A
Cited
US2635935A
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US2739640A
Cited
US2496854A
Cited
US2562360A
Cited
US2654648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |