US3484970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic sheet turner using a rotating vacuum head
Assignee: COMMERCE USA
•
Filing: 1968-03-22
•
Granted: 1969-12-23
•
Expires: 1988-03-22
Abstract
No abstract record available.
Inventors
- 👤 Anthony A Berlinsky
- 👤 Robert J Varson
- 👤 Gordon W Pearson
- 👤 Norman C Krebeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:21
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/625
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2334751A
Cited
US2791847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |