Patent US2697506A successfully refreshed from Google Patents.
US2697506A
Expired / Lapsed
US
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Conveyer for sheet material
Assignee: Aetna Standard Engineering Co
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Filing: 1950-08-19
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Granted: 1954-12-21
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Expires: 1970-08-19
Abstract
No abstract record available.
Inventors
- 👤 Perry G Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:57
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/66; B65H29/6609; B65H29/6618; B65H29/6627; B07; B07C; B07C5/00; B07C5/04; B07C5/08; B07C5/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1750396A
Cited
US1777139A
Cited
US1891286A
Cited
US2146581A
Cited
US2162889A
Cited
US2328859A
Cited
US2626800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |