Patent US3618386A successfully refreshed from Google Patents.
US116004A
Expired / Lapsed
US
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Improvement in attachments for vacuum-cups
Assignee: —
•
Filing: —
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Granted: 1871-06-20
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Expires: 1888-06-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:44
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/0404; A61N1/0472
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) | 1874-06-19 | 1874-12-19 | 1875-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1878-06-19 | 1878-12-19 | 1879-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1882-06-19 | 1882-12-19 | 1883-06-20 | $7700.00 | Window Closed / Lapsed |