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Patent US2720965A successfully refreshed from Google Patents.
US2720965A
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US
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Material handling device
Assignee: Individual
•
Filing: 1951-08-02
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Granted: 1955-10-18
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Expires: 1971-08-02
Abstract
No abstract record available.
Inventors
- 👤 Hazel E Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:14
CPC Classifications
A; A45; A45D; A45D40/00; A45D40/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1236878A
Cited
US1504217A
Cited
FR897714A
Cited
US2565346A
Cited
US2552903A
Cited
US2574405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |