US2996979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data-marking machine
Assignee: Unisys Corp
•
Filing: 1960-08-25
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Granted: 1961-08-22
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Expires: 1980-08-25
Abstract
No abstract record available.
Inventors
- 👤 Ronald W Ferguson
- 👤 Emery M Low
- 👤 Paul J Thut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:32
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/02; B41K3/04; B41K3/08; B41K3/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |