US2957737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desk top edge binder construction
Assignee: Irwin Seating Co
•
Filing: 1958-12-08
•
Granted: 1960-10-25
•
Expires: 1978-12-08
Abstract
No abstract record available.
Inventors
- 👤 William W Irwin
- 👤 Edwin J Andersen
- 👤 Kenneth C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:25
CPC Classifications
A; A47; A47B; A47B39/00; A47B13/00; A47B13/08; A47B13/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1340949A
Cited
US1690286A
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US2237840A
Cited
US2568153A
Cited
US2739640A
Cited
US2791527A
Cited
US2851323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |