US2670918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tripod with lockable helical-spiral legs
Assignee: Individual
•
Filing: 1948-02-21
•
Granted: 1954-03-02
•
Expires: 1968-02-21
Abstract
No abstract record available.
Inventors
- 👤 Wolcott S Kinnard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:49
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/20; F16M11/24; F16M11/40; F16M11/02; F16M11/16; F16M11/242; F16M11/247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US289179A
Cited
US449028A
Cited
GB190005161A
Cited
AT127530B
Cited
FR718486A
Cited
FR737199A
Cited
US2019753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |