US2427593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera support
Assignee: Individual
•
Filing: 1946-04-04
•
Granted: 1947-09-16
•
Expires: 1966-04-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis E Etzel
- 👤 Frank E Etzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:21
CPC Classifications
F; F16; F16M; F16M13/00; F16M13/04; F16M11/00; F16M11/02; F16M11/04; F16M11/043; F16M11/048; F16M11/20; F16M11/2007; F16M11/2021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1709387A
Cited
US2370611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-15 | 1951-03-17 | 1951-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-15 | 1955-03-17 | 1955-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-15 | 1959-03-17 | 1959-09-16 | $7700.00 | Window Closed / Lapsed |