US2888832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicator mechanisms
Assignee: Unisys Corp
•
Filing: 1955-11-28
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Granted: 1959-06-02
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Expires: 1975-11-28
Abstract
No abstract record available.
Inventors
- 👤 Berl C Winters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:24
CPC Classifications
G; G05; G05G; G05G23/00; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C1/10; H; H01; H01J; H01J25/00; H01J25/02; H01J25/22; H01J25/24; F; F16; F16B; F16B2200/00; F16B2200/20; F16B2200/40; F16B2200/406; G05G2700/00; G05G2700/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T403/00; Y10T403/33; Y10T403/38; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18616; Y10T74/18992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2450893A
Cited
US2414785A
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GB578840A
Cited
US2508141A
Cited
US2501303A
Cited
US2497564A
Cited
US2686890A
Cited
US2533912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |