Patent US2229474A successfully refreshed from Google Patents.
US2229474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera tripod
Assignee: Individual
•
Filing: 1939-05-31
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Granted: 1941-01-21
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Expires: 1959-05-31
Abstract
No abstract record available.
Inventors
- 👤 Norman W Redmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:53
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/02; F16M11/16; F16M11/20; F16M11/24; F16M11/26; F16M11/32; F16M11/34
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) | 1944-01-21 | 1944-07-22 | 1945-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-21 | 1948-07-22 | 1949-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-21 | 1952-07-22 | 1953-01-21 | $7700.00 | Window Closed / Lapsed |