US2553890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible tripod base
Assignee: Individual
•
Filing: 1946-05-31
•
Granted: 1951-05-22
•
Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Bloch Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:03
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/42; F16M11/20; F16M11/24; F16M11/242; F16M2200/00; F16M2200/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US525298A
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US1189053A
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US1671774A
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US2277787A
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US2357165A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |