US3547429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for spreading folded signature leaves
Assignee: Individual
•
Filing: 1967-12-14
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Granted: 1970-12-15
•
Expires: 1987-12-14
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Hepp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:55
CPC Classifications
B; B65; B65H; B65H5/00; B65H5/30; B65H5/305; B65H5/307; B42; B42B; B42B2/00; B42B2/02; B65H5/22; B65H5/222; B65H2301/00; B65H2301/40; B65H2301/43; B65H2301/435; B65H2301/4351; B65H2301/45; B65H2301/453; B65H2301/4531; B65H2406/00; B65H2406/30; B65H2406/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |