US3461998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impression ribbon and method of making same
Assignee: Filmon Process Corp
•
Filing: 1967-01-24
•
Granted: 1969-08-19
•
Expires: 1987-01-24
Abstract
No abstract record available.
Inventors
- 👤 Walter Ploeger Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:02
CPC Classifications
B; B41; B41J; B41J31/00; B41J31/05; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3185552A
Cited
US1790118A
Cited
US2805183A
Cited
GB961108A
Cited
US3274039A
Cited
US3273686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |