US2655412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift for ceiling boards
Assignee: Individual
•
Filing: 1947-12-22
•
Granted: 1953-10-13
•
Expires: 1967-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jones Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:09
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/247; E; E04; E04F; E04F21/00; E04F21/18; E04F21/1805; E04F21/1816
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US269994A
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US828781A
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US900945A
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US1223712A
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US1177476A
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US1364266A
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US1762397A
Cited
US2236095A
Cited
US2375104A
Cited
US2512150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |