US2687792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable conveyer roller assembly
Assignee: Individual
•
Filing: 1951-10-30
•
Granted: 1954-08-31
•
Expires: 1971-10-30
Abstract
No abstract record available.
Inventors
- 👤 Sr Millard J Laugle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:14
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US855903A
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US1362910A
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US1499920A
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US1698168A
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US1995640A
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US2056697A
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US2132543A
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US2205057A
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US2173298A
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US2412120A
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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) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |