Patent US2388296A successfully refreshed from Google Patents.
US2388296A
Expired / Lapsed
US
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Tripod
Assignee: Individual
•
Filing: 1943-11-05
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Granted: 1945-11-06
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Expires: 1963-11-05
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:40
CPC Classifications
F; F41; F41A; F41A23/00; F41A23/02; F41A23/12; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/041; F16M11/043; F16M11/046; F16M11/06; F16M11/08; F16M11/16; F16M11/20; F16M11/24; F16M11/242; F16M11/247; F16M13/00
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) | 1948-11-05 | 1949-05-07 | 1949-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-05 | 1953-05-07 | 1953-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-05 | 1957-05-07 | 1957-11-06 | $7700.00 | Window Closed / Lapsed |