US2873115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Check shingling attachment for a printing press
Assignee: Unisys Corp
•
Filing: 1955-04-04
•
Granted: 1959-02-10
•
Expires: 1975-04-04
Abstract
No abstract record available.
Inventors
- 👤 Theodore P Dusenbury
- 👤 Charles G Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:39
CPC Classifications
B; B42; B42C; B42C9/00; B42C9/0081; B42C9/0087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2449776A
Cited
US2222983A
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US2205433A
Cited
US2266171A
Cited
US2260540A
Cited
US2476250A
Cited
US2482613A
Cited
US2627406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |