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US3048100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a watermark design on paper
Assignee: Individual
•
Filing: 1961-05-25
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Granted: 1962-08-07
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Expires: 1981-05-25
Abstract
No abstract record available.
Inventors
- 👤 Livingstone Ian Mackenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:28
CPC Classifications
B; B41; B41M; B41M3/00; B41M3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1479337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |