US2708254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay control system
Assignee: American Brass Co
•
Filing: 1950-02-08
•
Granted: 1955-05-10
•
Expires: 1970-02-08
Abstract
No abstract record available.
Inventors
- 👤 William R Macaulay
- 👤 Howard F Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:28
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/58; B21B37/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2095124A
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US1969536A
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US2134901A
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US2275509A
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US2366500A
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US2413120A
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US2428126A
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US2467454A
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US2456420A
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US2506531A
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US2581525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |