US2887208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeding attachment for typewriters
Assignee: Individual
•
Filing: 1953-11-10
•
Granted: 1959-05-19
•
Expires: 1973-11-10
Abstract
No abstract record available.
Inventors
- 👤 Judson S Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:17
CPC Classifications
B; B41; B41J; B41J13/00; B41J13/10; B41J13/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US881126A
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US946724A
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US987097A
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US1017134A
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US1182052A
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US1853303A
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US1718467A
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US2011991A
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US2019442A
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US2381188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |