US2871067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stand-on platform for a ladder
Assignee: Individual
•
Filing: 1956-03-28
•
Granted: 1959-01-27
•
Expires: 1976-03-28
Abstract
No abstract record available.
Inventors
- 👤 James W Brogdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:12
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US158136A
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US211389A
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US309435A
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US352716A
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US380763A
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US606763A
Cited
US1352914A
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US2174891A
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US2459437A
Cited
US2439185A
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US2606079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |