US2744172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric control mechanism
Assignee: BRITE LITE CORP OF AMERICA
•
Filing: 1949-12-06
•
Granted: 1956-05-01
•
Expires: 1969-12-06
Abstract
No abstract record available.
Inventors
- 👤 William M Porter
- 👤 Emerson E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:07
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2672579A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |