US933197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signaling system.
Assignee: FRANK B COOK
•
Filing: 1903-05-04
•
Granted: 1909-09-07
•
Expires: 1923-05-04
Abstract
No abstract record available.
Inventors
- 👤 James G Nolen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:37
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/256; B29C48/2562
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) | 1912-09-06 | 1913-03-08 | 1913-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-09-06 | 1917-03-08 | 1917-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-09-06 | 1921-03-08 | 1921-09-07 | $7700.00 | Window Closed / Lapsed |