US2904201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator hand truck
Assignee: Individual
•
Filing: 1957-12-30
•
Granted: 1959-09-15
•
Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Chester E Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:16
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/10; B62B1/14; B62B5/00; B62B5/02; B62B5/023; B66; B66F; B66F9/00; B66F9/02; B62B2203/00; B62B2203/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US342950A
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US474653A
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US513155A
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US560056A
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US2242891A
Cited
US2594076A
Cited
US2560131A
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US2706569A
Cited
US2711260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |