Patent US2990764A successfully refreshed from Google Patents.
US2990764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined camera support, cart and step ladder
Assignee: Individual
•
Filing: 1960-08-19
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Granted: 1961-07-04
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Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 Hal L Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:36
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/42; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/20; F16M11/2007; F16M11/2014; F16M11/2021; F16M11/24; F16M11/38; F16M2200/00; F16M2200/02; F16M2200/06; F16M2200/065; F16M2200/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2707585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |