Patent US2798652A successfully refreshed from Google Patents.
US2798652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile ladders and platforms
Assignee: Individual
•
Filing: 1955-01-12
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Granted: 1957-07-09
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Expires: 1975-01-12
Abstract
No abstract record available.
Inventors
- 👤 George P Easton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:18
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/38; E06C1/397; E06C1/14; E06C1/24; E06C1/26; E06C7/00; E06C7/16; E06C7/18; E06C7/181; E06C7/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1439388A
Cited
US2035294A
Cited
US2362170A
Cited
US2371092A
Cited
US2624590A
Cited
US2701168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |