US2494997A
Expired / Lapsed
US
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Assignee: SIMPLEX DISPLAY FIXTURE Co
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Filing: 1947-10-17
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Granted: 1950-01-17
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Expires: 1967-10-17
Abstract
No abstract record available.
Inventors
- 👤 Lewis A Geistert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:55
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/10; B62B3/104; A; A47; A47F; A47F7/00; A47F7/16; A47F7/17; A47F7/175; B62B2202/00; B62B2202/02; B62B2202/025
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) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |