US2578700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet controlled interrupter for offset printing presses
Assignee: Harris Corp
•
Filing: 1946-07-12
•
Granted: 1951-12-18
•
Expires: 1966-07-12
Abstract
No abstract record available.
Inventors
- 👤 Charles W Harrold
- 👤 Arthur B Woodruff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:33
CPC Classifications
B; B41; B41F; B41F33/00; B41F33/04; B41F33/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/19575; Y10T74/1958; Y10T74/19623
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1327182A
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US1351175A
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US1374137A
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GB224843A
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US2018282A
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US2003798A
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US2100852A
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US2146963A
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GB500600A
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US2356058A
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US2419403A
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US2356315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |