US3019925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block handling apparatus
Assignee: Individual
•
Filing: 1958-04-24
•
Granted: 1962-02-06
•
Expires: 1978-04-24
Abstract
No abstract record available.
Inventors
- 👤 Robert M Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:02
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/05; B65G49/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1556438A
Cited
US1933554A
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US2397720A
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US2510573A
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US2636625A
Cited
US2613798A
Cited
US2707571A
Cited
US2704592A
Cited
US2700449A
Cited
US2869737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |