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Patent US2534496A successfully refreshed from Google Patents.
US2534496A
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Constant tension elongated material handling mechanism
Assignee: HOWE MACHINERY Co Inc
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Filing: 1948-03-17
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Granted: 1950-12-19
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Expires: 1968-03-17
Abstract
No abstract record available.
Inventors
- 👤 Vincent A Agresti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:22
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/10; D01H1/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE301928C
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US1383953A
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US1725443A
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US1862267A
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US2179334A
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US2193185A
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US2193214A
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US2461033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |