Patent US1204759A successfully refreshed from Google Patents.
US1204759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time-valve and circuit-breaker.
Assignee: Automatic Train Control & Signal Co
•
Filing: 1911-11-01
•
Granted: 1916-11-14
•
Expires: 1931-11-01
Abstract
No abstract record available.
Inventors
- 👤 Gardner B Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:26
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1919-11-14 | 1920-05-15 | 1920-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-11-14 | 1924-05-15 | 1924-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-11-14 | 1928-05-15 | 1928-11-14 | $7700.00 | Window Closed / Lapsed |