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US2885181A
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Assignee: Unisys Corp
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Filing: 1956-08-13
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Granted: 1959-05-05
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Expires: 1976-08-13
Abstract
No abstract record available.
Inventors
- 👤 Robert R Mccully
- 👤 James W Mcduffie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:56
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/02; B60S9/04; B60S9/06; B60S9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2683277A
Cited
US2784985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |