US1189419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling means for electric signs.
Assignee: R C MAXWELL CO
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Filing: 1915-12-30
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Granted: 1916-07-04
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Expires: 1935-12-30
Abstract
No abstract record available.
Inventors
- 👤 William Bach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:16
CPC Classifications
H; H03; H03M; H03M1/00; G; G09; G09G; G09G3/00; G09G3/004
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) | 1919-07-04 | 1920-01-03 | 1920-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-07-04 | 1924-01-03 | 1924-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-07-04 | 1928-01-03 | 1928-07-04 | $7700.00 | Window Closed / Lapsed |