US3489083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet receiving arrangement for printing machines
Assignee: Individual
•
Filing: 1967-06-19
•
Granted: 1970-01-13
•
Expires: 1987-06-19
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Ritzerfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:15
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/58; B65H29/60; B41; B41L; B41L11/00; B41L11/08; B41L21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US770486A
Cited
US2141407A
Cited
US2076391A
Cited
US2847214A
Cited
DE1217976B
Cited
GB1010733A
Cited
US3313538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |