US3006679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fingered lifter for tile and blocks
Assignee: Individual
•
Filing: 1959-08-24
•
Granted: 1961-10-31
•
Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Harold P Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:19
CPC Classifications
B; B65; B65G; B65G7/00; B65G7/12; E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US287727A
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US311503A
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US1237788A
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US2116651A
Cited
GB570688A
Cited
DE801297C
Cited
US2549257A
Cited
US2579826A
Cited
US2594791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |