US3538883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum chuck with safety device
Assignee: Ikon Office Solutions Inc
•
Filing: 1967-12-12
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Granted: 1970-11-10
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Expires: 1987-12-12
Abstract
No abstract record available.
Inventors
- 👤 Jerry Polin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:56
CPC Classifications
B; B25; B25B; B25B11/00; B25B11/005; H; H10; H10P; H10P72/00; H10P72/70; H10P72/78; Y; Y10; Y10T; Y10T279/00; Y10T279/11; Y10T82/00; Y10T82/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |