US3272304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Typewriter ribbon package
Assignee: Royal Typewriter Co Inc
•
Filing: 1965-05-10
•
Granted: 1966-09-13
•
Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Morelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:18
CPC Classifications
B; B41; B41J; B41J32/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US720141A
Cited
US1104359A
Cited
US2302850A
Cited
US2825450A
Cited
US3074545A
Cited
US3094204A
Cited
US3151724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |