US2919763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine scaffold
Assignee: Individual
•
Filing: 1954-11-22
•
Granted: 1960-01-05
•
Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Kronhaus Semen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:17
CPC Classifications
B; B63; B63C; B63C11/00; B63B; B63B71/00; B63C5/00; B63C5/02; B63C2005/025; E; E04; E04G; E04G1/00; E04G1/15; E04G2001/157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US651337A
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US783276A
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US789650A
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US1506114A
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US1929325A
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US2067344A
Cited
US2570076A
Cited
US2598730A
Cited
US2600199A
Cited
US2639950A
Cited
DE862165C
Cited
US2669490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |