US2961012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making helical binders and binding loose leaf books therewith
Assignee: Freundlich Gomez Machinery Corp
•
Filing: 1955-07-18
•
Granted: 1960-11-22
•
Expires: 1975-07-18
Abstract
No abstract record available.
Inventors
- 👤 Freundlich Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:17
CPC Classifications
B; B42; B42B; B42B5/00; B42B5/08; B42B5/12; B42B5/123; B42B5/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US711810A
Cited
US2107217A
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US2262994A
Cited
US2300544A
Cited
US2532443A
Cited
US2649120A
Cited
US2730142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |