US3039227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip on easel for books or like articles
Assignee: SLIP ON EASEL Corp
•
Filing: 1960-12-02
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Granted: 1962-06-19
•
Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 George O Buchholtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:57
CPC Classifications
A; A47; A47B; A47B23/00; A47B23/04; A47B23/042; A47B23/043; A47B23/044; A47B23/06; A47B2220/00; A47B2220/0016; A47B2220/0019
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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |