US2988236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blank stacking, straightening, and delivery device
Assignee: S&S Corrugated Paper Machinery Co Inc
•
Filing: 1956-12-04
•
Granted: 1961-06-13
•
Expires: 1976-12-04
Abstract
No abstract record available.
Inventors
- 👤 Albert F Shields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:32
CPC Classifications
B; B65; B65H; B65H31/00; B65H31/30; B65H31/3081; B65H29/00; B65H29/12; B65H29/14; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4212; B65H2301/42122; B65H2301/422; B65H2301/4228; B65H2701/00; B65H2701/10; B65H2701/17; B65H2701/176; B65H2701/1766
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |