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Patent US2597178A successfully refreshed from Google Patents.
US2597178A
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US
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Sheet positioning and clamping means
Assignee: Individual
•
Filing: 1950-04-27
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Granted: 1952-05-20
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Expires: 1970-04-27
Abstract
No abstract record available.
Inventors
- 👤 Pleydell Albert
- 👤 Pleydell Rose
- 👤 Jean F Mcintyre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:20
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/14; B41F15/16; B41F15/18; B41F15/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US427365A
Cited
US522447A
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US1258982A
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GB149784A
Cited
US1939681A
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US2076023A
Cited
US2263721A
Cited
US2315730A
Cited
US2486703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |