US2642799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for pressure roller spindle support and adjusting duplicating machines
Assignee: Frank R Ford Ltd
•
Filing: 1950-04-27
•
Granted: 1953-06-23
•
Expires: 1970-04-27
Abstract
No abstract record available.
Inventors
- 👤 Ford Ronald Max
- 👤 Butler George Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:58
CPC Classifications
B; B41; B41L; B41L5/00; B41L5/04; B41L5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1647948A
Cited
US2026434A
Cited
US1954550A
Cited
US2164707A
Cited
US2502278A
Cited
US2536606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |