US2852990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation or batching of substantially flat sheets of material continuously emerging from a machine
Assignee: ST CLEMENTS PRESS Ltd
•
Filing: 1955-05-24
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Granted: 1958-09-23
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Expires: 1975-05-24
Abstract
No abstract record available.
Inventors
- 👤 Roe John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:25
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/66; B65H33/00; B65H33/12; B65H33/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |