US2691501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tripod support
Assignee: Individual
•
Filing: 1951-01-04
•
Granted: 1954-10-12
•
Expires: 1971-01-04
Abstract
No abstract record available.
Inventors
- 👤 Louis R Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:44
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/02; F16M11/16; F16M11/04; F16M11/06; F16M11/10; F16M11/20; F16M11/2007; F16M11/2014; F16M11/24; F16M11/26; F16M11/32; F16M11/36; F16M13/00; F16M2200/00; F16M2200/02; F16M2200/021; F16M2200/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US413118A
Cited
US2244089A
Cited
US2204013A
Cited
US2240091A
Cited
US2297927A
Cited
US2326552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |