US2687866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tripod
Assignee: Individual
•
Filing: 1951-09-25
•
Granted: 1954-08-31
•
Expires: 1971-09-25
Abstract
No abstract record available.
Inventors
- 👤 Aberth J Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:21
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/10; F16B7/14; F16M; F16M11/00; F16M11/02; F16M11/16; F16M11/20; F16M11/24; F16M11/26; F16M11/32; F16M2200/00; F16M2200/02; F16M2200/025; F16M2200/027; F16M2200/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US373303A
Cited
US389577A
Cited
US398408A
Cited
US403841A
Cited
US510243A
Cited
US769447A
Cited
US2290400A
Cited
US2430649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |