US2995157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for helically binding books
Assignee: Spiral Binding Co Inc
•
Filing: 1957-03-14
•
Granted: 1961-08-08
•
Expires: 1977-03-14
Abstract
No abstract record available.
Inventors
- 👤 Catini Vincenzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:53
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)
US2168865A
Cited
US2166519A
Cited
US2161689A
Cited
US2262994A
Cited
US2300544A
Cited
US2361983A
Cited
US2694418A
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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |