US2973233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disengageable leg assembly
Assignee: Individual
•
Filing: 1958-10-02
•
Granted: 1961-02-28
•
Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 John E Mcphee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:51
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/44; F16B12/48; F16B9/00; F16B9/05; F16B9/052; F16B2200/00; F16B2200/50; F16B2200/503
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2715A
Cited
US240668A
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US522221A
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US757712A
Cited
US1520520A
Cited
GB273054A
Cited
GB292665A
Cited
US1762776A
Cited
US2784930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |