US2982568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upright display binder
Assignee: BARRETT BINDERY CO
•
Filing: 1958-08-18
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Granted: 1961-05-02
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Expires: 1978-08-18
Abstract
No abstract record available.
Inventors
- 👤 Edgar H Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:43
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/40; B42F13/402; A; A47; A47F; A47F7/00; A47F7/16; A47F7/163
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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |