US3518145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive ribbon cover stripping means and method therefor
Assignee: Individual
•
Filing: 1967-03-13
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Granted: 1970-06-30
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Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:57
CPC Classifications
B; B31; B31D; B31D1/00; B31D1/0075; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1059; Y10T156/11; Y10T156/1168; Y10T156/19; Y10T156/1978; Y10T156/1989; Y10T29/00; Y10T29/49; Y10T29/49789
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |