Patent US2684039A successfully refreshed from Google Patents.
US2684039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer system
Assignee: Individual
•
Filing: 1950-05-26
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Granted: 1954-07-20
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Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 King Donald Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:30
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/001; B61B10/002; B61B10/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1309135A
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US743109A
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US1655476A
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US1994153A
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US2063230A
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US2102995A
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US2122358A
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US2320150A
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US2410051A
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US2539013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |