US2912501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Message paper cutter
Assignee: Western Union Telegraph Co
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Filing: 1955-05-03
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Granted: 1959-11-10
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Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 Ernest W Hewitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:14
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/02; H04L13/06; B; B65; B65H; B65H35/00; B65H35/04; B65H35/06
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) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |