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Patent US2919815A successfully refreshed from Google Patents.
US2919815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paperboard display stand
Assignee: Waldorf Paper Products Co
•
Filing: 1956-05-28
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Granted: 1960-01-05
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Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Mairs
- 👤 Frank W Locke
- 👤 Morton B Jameson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:46
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/11; A47F5/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2685963A
Cited
US1913655A
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US1841753A
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GB423372A
Cited
US2256339A
Cited
US2535160A
Cited
US2597846A
Cited
US2565146A
Cited
US2620118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |