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Patent US2761680A successfully refreshed from Google Patents.
US2761680A
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Feed mechanism for letters or similar flat objects
Assignee: International Standard Electric Corp
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Filing: 1951-12-18
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Granted: 1956-09-04
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Expires: 1971-12-18
Abstract
No abstract record available.
Inventors
- 👤 Lens Georges Xavier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:58
CPC Classifications
B; B07; B07C; B07C3/00; B07C3/02; B07C3/08; B07C3/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US907944A
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US1452867A
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US1399483A
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US1897093A
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US1969946A
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US2159456A
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US2231339A
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US2532626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |