US2788076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor type loading machines
Assignee: Individual
•
Filing: 1952-01-21
•
Granted: 1957-04-09
•
Expires: 1972-01-21
Abstract
No abstract record available.
Inventors
- 👤 Whaley William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:03
CPC Classifications
E; E21; E21F; E21F13/00; E21F13/06; E21F13/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1498506A
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US1138453A
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US1721667A
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US1403258A
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US1796943A
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US1878037A
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US2263701A
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US2100336A
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US2139198A
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US2372311A
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US2367784A
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US2355234A
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US2437629A
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US2611442A
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US2588328A
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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) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |