US3472724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for severing tape
Assignee: 3M Co
•
Filing: 1965-12-10
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Granted: 1969-10-14
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Expires: 1985-12-10
Abstract
No abstract record available.
Inventors
- 👤 James H Casey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:22
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/002; B65H35/0026; B65H35/0073; B65H35/008; B65H35/0086; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/1339; Y10T156/1348; Y10T83/00; Y10T83/869; Y10T83/8733; Y10T83/8752; Y10T83/8755; Y10T83/8798; Y10T83/8799
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) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |