US2742965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for breaking apart segments of a slit paper roll
Assignee: AT&T Inc
•
Filing: 1953-02-20
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Granted: 1956-04-24
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Expires: 1973-02-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred H Drummond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:50
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/30; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/35; Y10T225/371; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2207
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) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |