US3044637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block handling apparatus
Assignee: GREENSBURG CONCRETE BLOCK CO
•
Filing: 1957-07-23
•
Granted: 1962-07-17
•
Expires: 1977-07-23
Abstract
No abstract record available.
Inventors
- 👤 George S Repasky
- 👤 Joseph F Repasky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:54
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/05; B65G49/08; B65G49/085; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/106; Y10S414/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2710696A
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US2828871A
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US2956696A
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US2869737A
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US2881898A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |