Patent US4541681A successfully refreshed from Google Patents.
US2941675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate lifting device
Assignee: Individual
•
Filing: 1957-01-22
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Granted: 1960-06-21
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Jack D Noble
- 👤 Bentley George Wayne
- 👤 Edgar C Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:22
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/02; B66C1/0256; B66C1/0212; B66C1/0237; B66C1/0243; B66C19/00
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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |