US3098490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loose leaf ring binder
Assignee: Esselte Pendaflex Corp
•
Filing: 1961-06-09
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Granted: 1963-07-23
•
Expires: 1981-06-09
Abstract
No abstract record available.
Inventors
- 👤 Wance Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:12
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/16; B42F13/20; B42F13/22; B42F13/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2061676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |