US3372791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile elevator tower
Assignee: Individual
•
Filing: 1966-07-25
•
Granted: 1968-03-12
•
Expires: 1986-07-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Alvin B Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:25
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/10; B65G21/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1732487A
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US1502273A
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US1841525A
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US2299623A
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US2389759A
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US2513963A
Cited
US2525167A
Cited
US2887190A
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US3034667A
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US3225903A
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US3228516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |