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US2252997A
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Assignee: GRAND RAPIDS STORE EQIPMENT Co
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Filing: 1940-07-31
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Granted: 1941-08-19
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Expires: 1960-07-31
Abstract
No abstract record available.
Inventors
- 👤 Vanderveld Charles Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:56
CPC Classifications
A; A47; A47B; A47B96/00; A47B96/14; A47B96/145; A47B96/1458; A47B2220/00; A47B2220/0036; A47B2220/0041; A47B2220/12; A47B57/00; A47B57/30; A47B57/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-08-18 | 1945-02-17 | 1945-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-18 | 1949-02-17 | 1949-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-18 | 1953-02-17 | 1953-08-19 | $7700.00 | Window Closed / Lapsed |