US2609748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet controlled tripping mechanism for rotary printing presses
Assignee: Sun Chemical Corp
•
Filing: 1949-03-31
•
Granted: 1952-09-09
•
Expires: 1969-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Ward E Brigham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:37
CPC Classifications
B; B65; B65H; B65H7/00; B65H7/02; B65H7/04; B65H2801/00; B65H2801/03; B65H2801/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1558686A
Cited
US1874013A
Cited
US2121195A
Cited
US2205720A
Cited
US2356058A
Cited
US2335010A
Cited
US2356315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |