Patent US3438324A successfully refreshed from Google Patents.
US3438324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic printing plate holddown means
Assignee: Paper Converting Machine Co
•
Filing: 1967-01-18
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Granted: 1969-04-15
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Expires: 1987-01-18
Abstract
No abstract record available.
Inventors
- 👤 Ross C Meade
- 👤 Charles J Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:59
CPC Classifications
B; B41; B41F; B41F27/00; B41F27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126825A
Cited
US1614801A
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US2190380A
Cited
US2517701A
Cited
US3097598A
Cited
US3217645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |